A.
‘At’ is used to show an exact
point of time.
e.g. at one o’clock , at midnight ,
at Christmas , at once , at the same time
B.
‘In’ is used to show a certain
period of time.
e.g. in 2003 ,
in June , in the morning , in the afternoon , in a week ,
in spring , in two months , in time
C.
‘On’ is used to show a more
general point of time.
e.g. on Wednesday , on the sixth of September , on Friday night ,
on Christmas Eve , on his birthday
D.
‘For’ is used to show how long
an action lasts.
e.g. for three months , for four weeks , for ten years , for a few hours ,
for five minutes
Exercise : Fill in the blanks with the
correct prepositions of time ( at, in, on, for )
1.
I go to school _________ seven o’clock every
day.
2.
John was born __________ 1981.
3.
Tom went to England ___________
the 15th of March.
4.
He works in the factory
____________ a few months.
5.
They walk to school __________
the morning.
6.
Daddy gives me a present
__________ Christmas Eve.
7.
My uncle comes to Hong Kong
____________ Easter.
8.
The Lee family have their
dinner ___________ the evening.
9.
Tom always wakes up __________
noon.
10. The girls do their homework ___________ the afternoon.
11. Mr Chan finished his work _____________ a week.
12. Mrs Wong came home ____________ time.
13. We don’t go out _____________ night.
14. The people
leave home ____________ sunrise
15. She gets a birthday card
____________ her birthday.
16. He sleeps ______________ two
hours.
17. Children get red packets from
their parents ____________ New Year.
18. You must go to bed
______________ once.
19. We go to church ____________
Sundays.
20. It is hot ___________ summer.
21. Mary and Ann have breakfast ______________ the same time.
22. They play football ___________ Monday afternoon.
23. We have our summer holidays ___________ August.
24. She lives in Hong Kong ____________ ten years.
Must /
mustn’t / can / can’t
A. “must / mustn’t” means we have no choice.
e.g. You must wear a seat belt.
You mustn’t smoke in the
shop.
B. “can / can’t” is a permission.
e.g. You can sit here.
You can’t sit here.
C. “can / can’t” an be an ability.
e.g. Mary can swim but she can’t cook.
A rabbit can jump but it
can’t climb trees.
Exercise :
Complete the conversation with “must” , “mustn’t” , “can” or “can’t”.
May : Look, there
is a sign on the lift
John : We 1.
_____________ use the lift when there is a fire.
May : Children
2.____________ be with an adult.
John : There is a
library on the second floor. We 3. ___________ go there.
May : We
4._____________ also read books there but we 5. ____________ talk loudly.
John : There are
games rooms on the third floor. We 6._____________ play games there
but we 7.____________ follow the rules.
May : There is a
fast food shop on the fourth floor. We 8.____________ go there now.
John : I’m sorry I
9.____________ go with you because I 10. ____________ go home
now.
My family is going to have a party. I 11.____________ be late for the
party.
1.1 Usage: At, On, In:
回覆刪除These prepositions are used to show the time and date of events, activities and situations:
e.g. at three o'clock. in June. on Monday.
1.2 Structure: At:
at + particular time: dawn, midday, noon, night, midnight, nine o'clock etc.. e.g. at dawn.
at + the + a particular time in a week/month/year: start/end of the week/month/year, weekend. e.g. at the start of July.
at + calendar festival season: Christmas, New Year, Easter etc.. e.g. at Easter.
at + meal: breakfast, lunch, mid-morning, tea, dinner, supper etc.. e.g. at breakfast.
1.3 Structure: On:
on + day of the week: Monday, Tuesday, Wednesday etc. e.g. on Thursday.
on + particular part of a day: Friday morning, Saturday afternoon. e.g. on Sunday evening.
on + particular date: 25 July 2001, 4 January. e.g. on 19 March.
N.B. On the nineteenth of March is how this date is read aloud or said in conversation.
on + calendar festival day: Christmas Day, Palm Sunday. e.g. on Easter Sunday.
Thanks very much
回覆刪除Is Gone！ ！ ！my name is matter
回覆刪除