Find all the examples of the past simple and the present perfect in the article. Complete the rules in the Learn this! box below with present perfect or past simple. Then underline an example of each rule in the article.

LEARN THIS! Present perfect and past simple

a. We use ¹___________ to talk about a specific occasion in the past.

b. We use ²___________ to talk about a specific period of time that is still continuing.

c. We use ³___________ to say how long a situation has existed, often with for, since, or how long.

d. We use ⁴___________to talk about an event that has a strong connection with the present, often with just, already, or yet.

e. We use ⁵___________to talk about an experience at an unspecified time in the past, often with ever or never.

Read the Learn this! box and complete the rules. Use the dialogue to help you. How many examples of this tense are there in the dialogue?

Complete the Learn this! box with the tenses below. Then underline an example of each of the rules (a-d) in the text in exercise 2.

past continuous       past perfect              past simple

Ex6: Put these following verbs into the correct tense ( Simple Present, Simple Future, Future continuous, Future Perfect, Present Perfect)

1. At this time next week, all of you (visit)........for you examination.

2. When you return with the car, I still (pack)........my suitcases.

3. This time next week I'll be on holiday. I probably (lie)........on a beautiful beach.

4. The leaves (fall).......from the trees when autumn comes.

5. By the end of autumn, most of the leaves (fall)......from the trees.

6. He (live)........in this city for exactly two years by next Monday.

7. The meeting (finish).......by the time we (get).......there.

8. By the end of the holiday, Tom (recover).......his strength.

9. By this time next year, you (forget).......all your present troubles.

10. There (be).....rain over the Mekong delta during the night.

11. The river (not begin)......to swell until some rain (fall).......

12. By next month, I (leave)........for India.

fill in the gaps in this letter with suitable verbs. Use the present perfect progressive or simple, or the present progressive or simple.

we (1) are having a wonderful time here in York. We (2)_______here for three days now and we (3)________to stay for the rest of the week because we (4)_________ourselves so much. We (5)_________ the Cathedral and the Castle Museum and this morning we (6)_________around the little old-fashioned streets, looking at the shops and cafes. I'm wruting this while we stop for a cold drink before lunch. We (7)_________much money yet but we'll get some souvenirs before we leave. Besides the sightseeing, we (8)_________some exercise. The countryside around York is lovely and we (9)_________some lovely long walks. Fortunately, the weather (10)__________very good so far. People (11)__________it can be very cold and it often(12)_____for days! As this is the first time I (13)________to England. I (14)___________I'm just lucky.

See you soon,

Roberta

mn giúp mk gấp nhé ^^

make passive sentences starting with THERE IS...... or THERE ARE using the reporting verb in brackets in the tense given, plus a standard or perfect infinitive of BE  as instructed, plus the phrase given

1. many species still undiscovered( think- present simple)- standard

2. considerable support for the idea ( understand- present simple)- standard 

3. any need to act immediately( not feel- past simple) - standard

4. enough supplies to go  round ( presume- past simple )- standard

5.a shortage of medicines ( report- past simple) perfect

6. several reasons for the failure( say- present simple)- perfect