Unit 1 Period 2 Using language 知识点梳理-2020-2021学年高一上学期英语期末考试大串讲（新教材外研版必修第二册）

Unit 1 Food for thought Period 2  Using language 知识点梳理 单元语法精讲精练－情态动词（一） I.语法感知 感知以下课文原句，完成方框下的小题 1．...I was able to hold a knife and fork—and chopsticks! 2．But there are still some dishes that Dad dare not try even after many years of marriage to my mother. 3．...Mum and I just have to find a way to get him into the kitchen! 4．...we’d better not eat too much roast food as it may make us suffer from heat inside our bodies... 5．“You needn’t try it if you don’t want to，”Mum said... Choose the meanings to the words in bold above. A．Be afraid to do something. B．Not be necessary to do something. C．Give advice to do or not to do something. D．Be necessary or give strong advice to do something. E．Have the ability to do something. 1．E　2.A　3.D　4.C　5.B II.语法精析 一、基本特征 1．情态动词有一定的词义，不能单独作谓语，需和实义动词或系动词一起作谓语。 She can speak English though she is six. 尽管她才6岁，但她会说英语。 2．情态动词一般无人称和数的变化，个别情态动词有现在时和过去时两种时态变化。 They must be in the classroom. 他们一定在教室里。 3．构成否定句时，not放在其后面。 The young man can’t carry the big stone