can / could / have to
نکته
Can 1- can توانایی در زمان حال را بیان می کند.
2- بعد از can شکل ساده فعل قرار می گیرد.
1) Can John………here by lunch time?
a) got
b) get
c) gets
d) getting
نکته
could
توانایی در زمان گذشته رابیان می کند.
و بعد از آن شکل ساده فعل قرار می گیرد.
1)I can swim very well , but I ……. swim very well before .
a) can’t
b ) shouldn’t
c) couldn’t
d) mustn’t
2) All the students could ……….. the questions easily yesterday.
a) answers
b) answer
c) to answer
d) answering
3) Could you.…..English 4 years ago ?
a) wrote
b) to write
c) writing
d) write
4) He couldn’t…………....how jet engines work.
a) explains
b) explain
c) to explain
d) explaining
نکته
( have to , has to )
اجبار در زمان حال را بیان می کند و بعد از آن شکل ساده فعل قرار می گیرد
1) I have to …. an appointment with the dentist.
a)makes
b) make
c) to make
d) making
2) Does she … speak French in her job ?
a) has to
b) had to
c) have to
d ) can
3) She has to…….….her lessons carefully.
a) study
b) studied
c) to study
d) studying
4) Does John..…help his mother at home?
a) have to
b) has to
c) had to
d) can
نکته
“مجبور بودن had to ”
اجبار در زمان گذشته را بیان می کند. وگذشته has to , have to می باشد وبعد از آن باید شکل ساده فعل قرار داد.
1)They didn’t know the address. They …. ask a policeman.
a) have to
b ) can
c) had to
d ) has to
2) Reza was late for class. He… see the teacher.
a) has to
b) can
c) should
d) had to
3) The old man was sick. He had to …..…. the doctor.
a) saw
b) see
c) sees
d) seen
4) I had to……..for her for three hours yesterday.
a) wait
b) waiting
c) waited
d) waits
نکته
“should” کاربرد
باید اخلاقی و اجتماعی است. و بعد از آن شکل ساده فعل قرار می گیرد.
1) We have a test at 7 o"clock. We … get up early.
a) should
b) could
c) had to
d) has to
2) They don’t know the address. They should …. a policeman.
a) asks
b) to ask
c) asked
d) ask
3) You like to learn English. You should… hard.
a) studied
b) to study
c) study
d) studying
4)The student wants to understand the question. He should ……...carefully.
a) listened
b) to listen
c) listening
d) listen
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