dictionaries怎么读s dictionaries怎么读

七至九年级重点知识汇总
七年级下册(7~12)单元重点知识
14. tell sb. (not) to do sth.告诉某人(不要)做某事
My mother often tells me not to play computer games.我的妈妈检查告诉我不要玩电脑游戏 。
15. have a good/great time doing sth做某事很高兴
Theyhave a good/great time playing basketball.他们打篮球很高兴 。
16. right for doing sth做某事正合适
It’s hot today,just right for swimming.今天天气很热,正适合游泳 。
17.反义疑问句由陈述句+简短问句构成 。如果前面是肯定的,后面用否定形式的问句,如果前面是否定的,后面用肯定形式的问句 。He likes English, doesn’t he?他喜欢英语,不是吗?
They are happy,aren’t they?他们非常高兴,不是吗?
He is watching TV,isn’t he?他正在看电视,不是吗?
回答反义疑问句要遵守一个原则,即无论陈述部分和疑问部分是肯定的还是否定的,肯定回答就用yes,否定回答就用no,不受汉语的干扰 。
He doesn’t study Japanese,does he ?他不学日语,是吗?
Yes,he doe s.不,他学日语/No,he doesn’t. 是的,他不学日语 。
18. ask sb (not) to do sth叫某人(不要)做某事
My teacher often asks us not to be late.我的老师经常叫我们不要迟到 。
My mom asks me to get up early.我的妈妈叫我早起 。
19. 人+spend+时间/金钱+(in)doing sth.某人花费时间/金钱做某事
人+spend+时间/金钱+on sth. 某人在某事上花费时间/金钱 (两个句型可互换)
Tom spends two hours (in) doing his homework every day.汤姆每天花费两个小时做家庭作业 。= Tom spends two hours on his homework every day.
20.watch sb. doing sth观看某人正在做某事I watch him playing basketball.我看见他正在打篮球 。
21. enjoy doing sth.=like doing sth喜欢做某事
They enjoy listening to music.他们喜欢听音乐 。
22. Is he short or tall?(他是矮还是高?)是选择疑问句 。选择疑问句回答不能用Yes或No回答(or译为”或者”,也可译为”还是”),必须根据具体情况回答 。
Is the student a boy or a girl?这个学生是男孩还是女孩?He is a boy.他是男孩 。
Do you have a pen or a pencil?你有钢笔还是铅笔?A pen.钢笔 。
23. the number of+名词:…的数量(该短语放在句首做主语时,句子动词用单数形式)
【dictionaries怎么读s dictionaries怎么读】The number of students in our class is 50.在我们班学生的数量是无事 。(句子主语是number,后面动词用单数形式is)
a number of+名词复数:许多,大量的(该短语放在句首做主语时 , 句子动词用复数形式)
A number of students have English dictionaries.(许多学生有英语字典 。)(句子主语是students,后面动词用复数形式have)
24. teach sb(how) to do sth:教某人(如何)做某事 (teach的过去式为taught)
He often teaches us how to learn English.他经常教我们如何学英语 。
25.buy sth for sb=buy sb sth给某人买某物 (buy的过去式为bought)
My mother a pen for me .= My mother me a pen.我的妈妈给我买了一只钢笔 。
26.be interested in +名词\代词\doing:对……感兴趣 He is interested in math,but he isn’t interested in speaking English.他对数学感兴趣 , 但对说英语不感兴趣 。
27. so+形容词+that+句子:如此…以至于…
He is so young that he can‘t go to school.他如此年轻不能去上学 。
28.see sb doing sth:看见某人正在做某事I saw him reading English.我看见他正在读英语 。
29.start to do sth=start doing sth:开始做某事They started to sing.他们开始唱歌了 。
30.feel sb doing sth;感觉某人正在做某事I feel him watching me.我感觉他正在看着我 。

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