初三英語第三單元知識點

初三英語第三單元知識點，為大家整理如下，歡迎參考!
1. allow sb. to do sth. 允許某人做某事(主動語態(tài))如：

Mother allows me to watch TV every night. 媽媽允許我每晚看電視。

be allowed to do sth. 被允許做某事(被動語態(tài))如：

LiLy is allowed to go to Qinzhou. 莉莉被允許去欽州。

2. get their ears pierced 穿耳洞

讓/使(別人)做某事 get sth. done(過去分詞)

have sth. done 如：

I get my car made. == I have my car made. 我讓別人修好我的車

3. enough 足夠

形容詞+enough 如：beautiful enough 足夠漂亮

enough+名詞 如：enough food 足夠食物

enough to 足夠…去做… 如：

I have enough money to go to Beijing. 我有足夠的錢去北京。

She is old enough to go to school.她夠大去讀書了。

4. stop doing sth. 停止做某事 Please stop speaking.請停止說話。

stop to do sth. 停止下來去做某事 Please stop to speak.

請停下來說話。

5. 看起來好像…sb. seem to do sth. He seems to feel very sad.

it seems that +從句It seems that he feels very sad. 他看起來好像很傷心。

6. 系動詞不能獨立作謂語，要和表語一起構(gòu)成謂語。常用的連系動詞有：look, feel, be, become, get, turn, smell, taste, stay(保持), kept等。連系動詞除be 和become 等少數(shù)詞可接名詞作表語外，一般都是接形容詞。 如：

They are very happy. He became a doctor two years ago.

She felt very tired.

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