人教版七年级英语上册《My favorite subject is science》SectionB PPT课件(第2课时)，共14页。
Warming up
Practice the conversation with your partner.
A: Xiao Hong,what’s your favorite subject?
B: My favorite subject is…
A: Why do you like…?
B: Because it’s…
Language points
1.I am very busy on Friday.我星期五非常忙。（教材第53页）
此处介词on用于表示星期的名词前，表示“在星期几”，也可用于星期几的上午、下午或晚上前。但如果表示星期的名词前有this/that/next/ last等修饰词时，其前就不再用on。
如：on Friday morning 在星期五早晨
Please come to my home this Saturday.
2.The teacher says it is useful.老师说它很有用。（教材第53页）
（1）该句为一个宾语从句，由引导词that引导，此处that省略了，在英语口语中that常省略。类似的句子有：
I think it is difficult.
（2）useful adj. 有用的，有益的。
【拓展】涉及不定冠词a/an,应用“a”。
如：a useful book一本有用的书
3.from…to…从……到……
from…to…属于介词短语。
如：from one to thirty从1到30
4.辨析Mr.,Miss与Mrs.
Mr.(先生)，Miss(小姐)和Mrs.(夫人)均用于姓氏前。Mr.+男子姓。
Mrs.用来称呼已婚女子，Mrs.+丈夫姓。
此外，人们还常用 Ms(女士)来形容婚姻状况不明的女子。
Exercise
一、从方框中选择介词填空。
at from…to… on after for
1.She has breakfast __________ 6:30.
2.__________ class,we have lunch at 12:00.
3.I play computer games __________ Sunday.
4.We have class __________ 8:00 __________ 11:00 in the morning.
5.On Saturday,we play soccer _________ half an hour(半小时).
二、单项选择。
1.Are you busy _________ Saturday?
A.in B.on C.at
2.Math is difficult _________ interesting.
A.because B.and C.but
3.We _________ English on Monday,Tuesday and Thursday.
A.want B.have C.go
4.We _________ our classes _________ 5:00 P.M.
A.go;in B.finish;at C.need;on
5.The teacher _________ geography is _________.
A.say;use B.say;useful C.says;useful
… … …
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