1.I am very tired so I can't concentrate properly
-] If.....
2.Fail to pay and they will cut off the electricity
-] If.....
3.She is very busy so she can't go out tonight
-] If.....
4.I don't know anything about her back ground , so I can't tell you
-] If....
5.Don't touch that wire or you may get an electric shock
-] If...
6.If it doesn't rain soon , the crops will be lost
-] Unless.....
7. He doesn't give you good advice because he isn't your true friend
-] If.....
8.We come late because the rain is so heavy
-] If....
9.You don't get better marks because you don't study harder
-] If.....
10.She's so shy , that why she doesn't have many friend
-] If....
11.Alice may miss the train . But the can get the next one
-] If.....
1.I am very tired so I can't concentrate properly
-] If.....I weren't tired, I could concentrate properly
2.Fail to pay and they will cut off the electricity
-] If.....you fail to pay, they will cut off the electricity
3.She is very busy so she can't go out tonight
-] If.....she weren't busy, she could go out tonight
4.I don't know anything about her back ground , so I can't tell you
-] If....I knew something about her back ground , I could tell you
5.Don't touch that wire or you may get an electric shock
-] If...you touch that wire, you may get an electric shock
6.If it doesn't rain soon , the crops will be lost
-] Unless.....it rains soon, the crops will be lost
7. He doesn't give you good advice because he isn't your true friend
-] If.....he were your true friend, he would give you good advice
8.We come late because the rain is so heavy
-] If....the rain weren't heavy, we wouldn't come late
9.You don't get better marks because you don't study harder
-] If.....you studied harder, you would get better marks
10.She's so shy , that why she doesn't have many friend
-] If....she weren't shy, she would have many friends
11.Alice may miss the train . But the can get the next one
-] If.....Aice misses the train, she can get the next one