1. Part A
Prepositions of time

2. prepositions of time When is Halloween? on October 31st
Which season is it in?
in Autumn
What do people usually do at Halloween?

3. at +具体某个时间点 at five o’clock at night/midnight/ noon +就餐时间
at breakfast/supper/lunch(time)/mealtime
+节日（without “Day”)
at Halloween/Christmas/Mid-Autumn Festival
+年龄
at 17, at the age of 17
固定搭配
at the weekend, at the party/meeting

4. on a hot summer night on +带有“Day”的节日
on Christmas Day, on Thanksgiving Day,
+具体某一天或某一天的上、下午等
on December 2nd,
on the morning of October 1st,
in the morning on October 1st,
+星期几
on Sunday, on Sunday morning,
+形容词修饰（特指）的早\下\晚
on a hot summer night
on a cold winter morning
固定搭配 (be) on holiday

5. in 世纪 in 21st century 年 in 1998 季节 in spring/summer/autumn/winter
月份 in January/February/March…
周 in the first week of this term
泛指上、下午等
in the morning/ afternoon/evening

6. Time
Prepositions in on at
parts of day; months; seasons; years
days; dates;
parts of a specific day;
special holidays
time of day
age

7. 时间状语为today, yesterday, tomorrow that day ， these days
不加介词的情况
时间状语为today, yesterday, tomorrow
that day ， these days
next year, last night
one day， every morning

8. 在周三下午 在圣诞节晚上 在端午节 在2011年9月2号 在八月 在早餐时 在寒冷的冬天的早上 在8岁 在晚上 在5月1号的晚上
exercises
on Wednesday afternoon
在周三下午
在圣诞节晚上
在端午节
在2011年9月2号
在八月
在早餐时
在寒冷的冬天的早上
在8岁
在晚上
在5月1号的晚上
on Christmas evening
at the Dragon Boat Festival
on September 2nd，2011
in August
at breakfast
on a cold winter morning
at the age of 8 / at 8
at night /in the evening
on the evening of May 1st
in the evening on May 1st

9. Fill in the blanks with in, on or at where necessary.
1. We don’t go to school_______ Sunday.
2. My birthday is _______ April 1st.
3. We’re going to see the doctor_______ four o’clock.
4. He often takes Eddie for a walk _____ the evening.
5. They have a long holiday______ November.
6. He was born ________ 1992. on at in in in at
7. He likes reading newspapers_______ breakfast.
8. She starts learning English_______ 6 o’clock.
9. It’s cold _______ winter in China.
10.They play the game________ the evening of 31st October. at in on

10. in on at on on on at 12. Birds fly to the south _____ autumn.
13. He got home _____ the morning of the 4th last month.
14. My father usually goes fishing ____ the weekend.
14. It is a good idea to go for a walk ____ a sunny morning.
14. I don’t have a party ____ this week.
15. He always goes to the library ____ Mondays.
16. We’ll have one party ____ next week.
17. The story happened _____ a cold winter morning.
18. My friends give me some presents _____ Christmas every year. on at on on on at

11. ‘Wh-’word Whose Which in at Where On at On in What at Dear Amy
hotmail. com
Spring Festival
Whose
Which
Dear Amy
My favorite festival is coming ____winter _____my age of 17 this year. We usually spend 15 days celebrating it in many ways.
___New Year’s Eve, we often have a big family dinner at home and stay up late to watch CCTV. We always let off fireworks____ 12p.m to celebrate the new year’s coming.
___ the first day of the new year, we often eat dumplings___ the morning. I say ‘Happy New Year’ to my parents. They give me lucky money in a red packet because it can bring me good luck. We also visit some friends and relatives ____ Spring Festival. in at
Where On at On in
What at

12. Part B
Adverbs of frequency

13. Adverbs of frequency tell you how often
things happen. Look at the graph below.

14. 频率副词是表示与次数, 频率有关的副词, 其排列是(由大到小):
always (总是), usually (通常),
often (常常), sometimes (有时),
seldom (不常), never (从不)。

15. I seldom eat sweet snacks like cakes, sweets or drink Coke between meals.
I usually have fruit and vegetables because I want to be healthy.
I always eat an apple for breakfast.
4) After dinner, I sometimes have an orange or a banana.
5) I never do any exercise.
6) I often drink some milk and eat some bread.

16. 频率副词在句中的位置：
1. 频率副词用在be动词后。
It is usually hot in summer.
夏天天气通常是热的。
2. 频率副词用在主要动词前。
My father usually walks home.
我的父亲经常步行回家。
3. 频率副词用在助动词与主要动词之间。
I will always love you.
我将永远爱你。

17. 频率副词位置记忆口诀： Be后 主动前 助主间 How often是对表示频度副词 的时间状语的提问，可翻译为 “多久（一次）”。
How often do
they exercise?

18. How often do they exercise?
Simon loves playing football. He _______ plays football in the playground.
Sandy does not have much time to play tennis. She _______ plays tennis.
Amy is a member of the swimming team. She _______ swims after school.
often
seldom
usually

19. How often do they exercise?
4. Daniel does not like basketball. He
______ plays it.
5. Kitty goes to her dancing lessons every
day. She ________ dances for two hours.
6. Millie ____________ goes roller skating,
but she is not good at it.
never
always
sometimes

20. Reflection
Prepositions of time: at/ on/ in
adverbs of frequency
never, seldom, sometimes,
often, usually, always

21. 请点击

22. I. Multiple choice
The meeting is _____ the morning.
A. in B. on C. at D. from
2. He started learning French __ 15th May. A. to B. for C. at D. on
3. I don’t like skiing at all. I _____ go
skiing.
A. never B. seldom
C. often D. sometimes

23. 4. Tom _____ to work by bicycle.
A. usually go B. go usually
C. usually goes D. goes usually
5. We often eat dinner at home on
weekends, but ______ we eat out.
A. sometimes B. seldom
C. never D. always
6. Jerry _________ for school.
A. is usually late B. usually is late
C. is late usually D. goes usually late

24. II. Fill in the blanks with ‘in’, ‘on’ or ‘at’.
1. We don’t go to school ______ Sunday.
2. My birthday is _______ April 1st.
3. We’re going to see the doctor _______
four o’clock.
4. He often takes Eddie for a walk _____
the evening.
5. They have a long holiday ______
November. on on at in in

25. 6. He was born ______ 1992.
7. He likes reading newspapers ______
breakfast.
8. She starts learning English _____ 6
o’clock.
9. It’s cold _______ winter in China.
10. They play the game ________ the
evening of 31st October. in at at in on

26. Homework
Write sentences about yourself with the grammar you learned today.
(Prepositions of time: in, at, on
Adverbs of frequency: never, seldom, sometimes, often, usually, always)