IV. Hoàn thành các câu sau đây theo điều kiện loại 1 của những từ trong ( ).

1) If we __________ (to send) an invitation, our friends __________ (to come) to our party.

2) He __________ (not/to understand) you if you __________ (to whisper).

3) They __________ (not/to survive) in the desert if they __________ (not/to take) extra water with them.

4) If you __________ (to press) CTRL + s, you __________ (to save) the file.

5) You __________ (to cross) the Channel if you __________ (to fly) from Paris to London.

6) Fred __________ (to answer) the phone if his wife __________ (to have) a bath.

7) If Claire __________ (to wear) this dress at the party, our guests __________ (not/to stay) any longer.

8) If I __________ (to touch) this snake, my girlfriend __________ (not/to scream).

9) She __________ (to forget) to pick you up if you __________ (not/to phone) her.

10) I __________ (to remember) you if you __________ (to give) me a photo.

Exercise 9: Give the correct form of the verb in brackets.

1.      If we send an invitation, our friends (come) ………………… to our party.

2.      He doesn’t understand you if you (whisper) …………………                        3. She will forget to pick you up if you (not phone) ………………… her.

4.      If you press “CTRL + S”, you (save) ………………… the file.

5.      I will remember you if you (give) ………………… me a photo.

6.      Fred will answer the phone if his wife (have) ………………… a bath.

7.      If Claire wears this dress at the party, her friends (be) ………………… happy.

8.      If I touch this snake, my girlfriend (not scream) …………………

9.      If he (study) ………………… harder, he can pass an exam.

10.  She may be late if she (not hurry) …………………

11.  Tell him to ring me if you (see) ………………… him.

12.  If you are kind to me, I (be) ………………… good to you.

13.  If he (give) ………………… up smoking, as his doctor orders, he will be soon well again.

14.  You (not pass) ………………… your driving test unless you drive more carefully.

15.  He’ll be ill if he (not stop) ………………… worrying so much.

16.  Jane never (get) ………………… there on time if the train leaves soon.

17.  I’ll be very angry if he (make) ………………… any more mistakes.

18.  If he (wash) ………………… my car I’ll give him $10.

19.  If he (not eat) ………………… all, he will be ill.

20.  If you ………………… (not finish) your homework, you can’t play computer games.

Exercise 1. Put the verbs in brackets in the correct form of conditional sentence type 1.

1. If we _____________ (send) an invitation, our friends _____________ (come) to our party.

2. He _____________ (not/ understand) you if you _____________ (whisper).

3. They _____________ (not/ survive) in the desert if they _____________ (not/ take) extra water with them.

4. If you _____________ (press) CTRL + S, you _____________ (save) the file. 5. You _____________ (cross) the Channel if you _____________ (fly) from Paris to London.

6. Fred _____________ (answer) the phone if his wife _____________ (have) a bath.

7. If Claire _____________ (wear) this dress at the party, our guests _____________ (not/ stay) any longer.

8. If I _____________ (touch) this snake, my girlfriend _____________ (not/ scream).

9. She _____________ (forget) to pick you up if you _____________ (not/ phone) her.

10. I _____________ (remember) you if you _____________ (give) me a photo.

Exercise 2. Put the verbs in brackets in the correct form of conditional sentence type 1.

1. If I _____________ (study) hard, I _____________ (improve) my English.

2. Theresa _____________ (go) to Japan if she _____________ (get) a cheap flight.

3. If her boyfriend _____________ (not call) today, she _____________ (leave) him.

4. If the phone _____________ (ring), _____________ (you/answer) it? 5. What _____________ (you/do) if you _____________ (not find) your wallet?

6. He _____________ (find) a part time job if he _____________ (keep) looking.

7. If you _____________ (feel) unwell tomorrow, _____________ (take) a rest.

8. If they _____________ (not tell) us, we _____________ (keep) asking. 9. _____________ (you/let) me go if I _____________ (promise) to come back early?

10. He _____________ (eat) some popcorn if he _____________ (feel) hungry.

Exercise 3. Put the verbs in brackets in the correct form of conditional sentence type 1.

1. If I _____________ (study), I _____________ (pass) the exams.

2. If the Sun _____________ (shine), we _____________ (walk) to the town.

3. If he _____________ (have) a temperature, he _____________ (see) the doctor.

4. If my friends _____________ (come), I _____________ (be) very happy.

5. If she _____________ (earn) a lot of money, she _____________ (fly) to New York.

6. If we _____________ (travel) to London, we _____________ (visit) the museums.

7. If you _____________ (wear) sandals in the mountains, you _____________ (slip) on the rocks.

8. If Rita _____________ (forget) her homework, the teacher _____________ (give) her a low mark.

9. If they _____________ (go) to the disco, they _____________ (listen) to loud music.

10. If you _____________ (wait) a minute, I _____________ (ask) my parents.

Exercise 4. Identify the one underlined word or phrase that must be changed to make the sentence correct:

1. If (A) someone came (B) into the store, smile (C) and say, “May (D) I help you?”

2. If (A) you do not understand (B) what were written (C) in the book, you could ask (D) Mr. Pike.

3. If (A) there isn't (B) enough food (C), we couldn't continue (D) our journey.

4. If (A) anyone will phone (B), tell (C) them I'll be (D) back at 11:00.

5. I will come (A) to meet Mr. Pike and tell him about(B) your problems if (C) you didn't solve (D) them.

1) If we...........(to send) an invitation, our friends...........(to come) to our party.
2) He...........(not/to understand) you if you (to whisper).
3) They...........(not/to survive) in the desert if they...........(not/to take) extra water with them.
4) If you...........(to press) CTRL + s, you...........(to save) the file.
5) You...........(to cross) the Channel if you...........(to fly) from Paris to London.
6) Fred...........(to answer) the phone if his wife (to have) a bath.
7) If Claire...........(to wear) this dress at the party, our guests...........(not/to stay) any longer.
8) If I...........(to touch) this snake, my girlfriend...........(not/to scream).
9) She...........(to forget) to pick you up if you (not/to phone) her.
10) I...........(to remember) you if you...........(to give) me a photo.

1) If we...........(to send) an invitation, our friends...........(to come) to our party.
2) He...........(not/to understand) you if you (to whisper).
3) They...........(not/to survive) in the desert if they...........(not/to take) extra water with them.
4) You...........(to cross) the Channel if you...........(to fly) from Paris to London.
5) Fred...........(to answer) the phone if his wife (to have) a bath.
6) If Claire...........(to wear) this dress at the party, our guests...........(not/to stay) any longer.
7) If I...........(to touch) this snake, my girlfriend...........(not/to scream).
8) She...........(to forget) to pick you up if you (not/to phone) her.
9) I...........(to remember) you if you...........(to give) me a photo.
10) If you...........(to help) your grandma, I...........(to do) the shopping.

1) If we...........(to send) an invitation, our friends...........(to come) to our party.
2) He...........(not/to understand) you if you (to whisper).
3) They...........(not/to survive) in the desert if they...........(not/to take) extra water with them.
4) If you...........(to press) CTRL + s, you...........(to save) the file.
5) You...........(to cross) the Channel if you...........(to fly) from Paris to London.
6) Fred...........(to answer) the phone if his wife (to have) a bath.
7) If Claire...........(to wear) this dress at the party, our guests...........(not/to stay) any longer.
8) If I...........(to touch) this snake, my girlfriend...........(not/to scream).
9) She...........(to forget) to pick you up if you (not/to phone) her.
10) I...........(to remember) you if you...........(to give) me a photo.

1) If we...........(to send) an invitation, our friends...........(to come) to our party.
2) He...........(not/to understand) you if you (to whisper).
3) They...........(not/to survive) in the desert if they...........(not/to take) extra water with them.
4) If you...........(to press) CTRL + s, you...........(to save) the file.
5) You...........(to cross) the Channel if you...........(to fly) from Paris to London.
6) Fred...........(to answer) the phone if his wife (to have) a bath.
7) If Claire...........(to wear) this dress at the party, our guests...........(not/to stay) any longer.
8) If I...........(to touch) this snake, my girlfriend...........(not/to scream).
9) She...........(to forget) to pick you up if you (not/to phone) her.
10) I...........(to remember) you if you...........(to give) me a photo.

Ex1:Give the correct form of the verbs in the brackets to complete the sentences

1.Ted and Amy(to answer) the phone if his wife (to have)...........a bath.

3.If Claire...............(to wear) this dress at the party, our guests...........(not/to stay) any longer

4.They........(not/ to survive) in the desert if they..........( not/ to take) extra water with them

5.You.............(to cross) the Channel if you...........(to fly) from Paris to London

6.I.............(to remember) you if you...............(to give) me a photo

7.If you.............(to press) CTRL+S, you .............(to save) the file.

8.He ..........(not/to understand) you if you (to whisper).........

9.If we ................(to send) an invitation, our friends................(to come) to our party

10.At last the bus came. We(to wait)............. for half an hour.

11.Im feeling sick. I( to eat).............so much chocolate last night

12.If I............(to touch) this snake, my girlfriend............(not/ to scream)

13.I think the weather (to be)............. nice later

14.I(to turn)...............the dishwasher on when heard the shot

15.She.............(to forget) to pick you up if you...........(not/ to phone) her.

1: Hoàn thành các câu sau với các các từ ở trong ngoặc câu điều kiện loại 1 2 3
1) If we meet at 9:30, we...........(to have) plenty of time.
2) Lisa would find the milk if she...........(to look) in the fridge.
3) The zookeeper would have punished her with a fine if she...........(to feed) the animals.
4) If you spoke louder, your classmates...........(to understand) you.
5) Dan...........(to arrive) safe if he drove slowly.
6) You...........(to have) no trouble at school if you had done your homework.
7) If you...........(to swim) in this lake, you'll shiver from cold.
8) The door will unlock if you...........(to press) the green button.
9) If Mel...........(to ask) her teacher, he'd have answered her questions.
10) I...........(to call) the office if I was/were you.
1) If we...........(to send) an invitation, our friends...........(to come) to our party.
2) He...........(not/to understand) you if you (to whisper).
3) They...........(not/to survive) in the desert if they...........(not/to take) extra water with them.
4) If you...........(to press) CTRL + s, you...........(to save) the file.
5) You...........(to cross) the Channel if you...........(to fly) from Paris to London.
6) Fred...........(to answer) the phone if his wife (to have) a bath.
7) If Claire...........(to wear) this dress at the party, our guests...........(not/to stay) any longer.
8) If I...........(to touch) this snake, my girlfriend...........(not/to scream).
9) She...........(to forget) to pick you up if you (not/to phone) her.
10) I...........(to remember) you if you...........(to give) me a photo.