1- If + present; future.
a- If I work hard; I can pass my exam.
b- If he has money ; he may spend it.
c- If I find her address ; I must send her a letter.
2- If + simple past; conditional present.
a- If I worked hard ; I could pass my exam.
b- If he had money ; he might spend it.
c- If I found her address; I had to send her a letter.
3- If + past perfect; conditional past ( would have + past participle)
- can = to be able to .
- may = to be allowed to.
- must = to have to.
a- If I had worked hard , I would have been able to pass my exam.
b- If he had had money , he would have been allowed to spend it.
c- If I had found her address , I would have had to send her a letter.
Give the correct form of the verbs ( ):
-If it ( not rain , in present) ,we can go swimming tomorrow.
-If it didn't rain , we ( can go ) swimming .
- If it ( not rain, in past perfect) , we ( can go ) swimming.
- If my parents( to go , in present) shopping , I ( must ) look after my little sister.
- If my parents ( to go , in simple past) shopping , I ( must ) look after my little sister.
- If my parents (to go , in past pefect) shopping , I ( must ) look after my little sister.
- If we go to Canada , we ( may ) improve our English.
- We might improve our English , if we ( to go ) to Canada.
-We ( may ) improve our English, if we had gone to Canada.
a- If I work hard; I can pass my exam.
b- If he has money ; he may spend it.
c- If I find her address ; I must send her a letter.
2- If + simple past; conditional present.
a- If I worked hard ; I could pass my exam.
b- If he had money ; he might spend it.
c- If I found her address; I had to send her a letter.
3- If + past perfect; conditional past ( would have + past participle)
- can = to be able to .
- may = to be allowed to.
- must = to have to.
a- If I had worked hard , I would have been able to pass my exam.
b- If he had had money , he would have been allowed to spend it.
c- If I had found her address , I would have had to send her a letter.
Give the correct form of the verbs ( ):
-If it ( not rain , in present) ,we can go swimming tomorrow.
-If it didn't rain , we ( can go ) swimming .
- If it ( not rain, in past perfect) , we ( can go ) swimming.
- If my parents( to go , in present) shopping , I ( must ) look after my little sister.
- If my parents ( to go , in simple past) shopping , I ( must ) look after my little sister.
- If my parents (to go , in past pefect) shopping , I ( must ) look after my little sister.
- If we go to Canada , we ( may ) improve our English.
- We might improve our English , if we ( to go ) to Canada.
-We ( may ) improve our English, if we had gone to Canada.
Good luck