unit7-2020-2021学年七年级英语下册课文和语法同步备课（牛津版）

Unit 7 Poems 祈使句和感叹句 Grammar Read more! Don't smoke! Let's go home! Be quiet, girls! What will you say? 祈使句是用于表达命令，请求，劝告，禁止等的句子。 祈使句分为肯定的祈使句和否定的祈使句。 Please turn off your phone. Turn off your phone,please. Be quiet, girls. Don't be late again. Things to remember It is more polite for us to use please . Add be before adjectives. Work out the rule We use the base form of a verb in (positive/negative) imperative. In a (positive/negative) imperative, we use don't before the base form of the verb. What will the teacher say? bring close eat sleep speak louder turn to 1. Bill is eating in class. Don't eat in class, Bill. 2. Rose left the door open on a windy day. Close the door, Rose. 3.Jane is answering a question in a low voice. Speak louder, Jane. 4.James is sleeping at his desk. Don't sleep in class, James. bring close eat sleep speak louder turn to 5.Steven is looking at page47.He should look at page 74. Turn to page 74, Steven. 6.Mary brought her pet mouse to school. Don't bring your pets to school,Mary. bring close eat sleep speak louder turn to 祈使句（表达命令、请求、劝告等的句子） 肯定的祈使句 （1）be + 形容词/名词 （2）实义动词原形+其他 否定的祈使句 Don’t+动词原形 Summary 巧学妙记 祈使句，无主语，动词开头就可以。 表示请求或命令，加上please表客气。 要想变成否定句，Don’t开头别忘记。 What beautiful flowers they are! How beautiful the flowers are! Exclamations感叹句 感叹句是表示喜怒哀乐等强烈情感的句子。分为两种：由what引导的和how引导的感叹句。 What+a/an+(形容词)+单数名词+主语+谓语！ What+(形容词)+复数名词/不可数名词+主语+谓语！ 多么有趣的一首诗啊！ What an interesting poem （it is） ! 多么漂亮的花啊！ What beautiful flowers（ they are）! 多么糟糕的天气呀！ What bad weather （it is）! 我们多么幸运啊！ How lucky （we are）! 时间过得真快呀！ How quickly （the time passed）! 星星多么明亮啊！ How bright （the stars are）! How +形容词/副词+主语+谓语！ Work out the rule We often begin an exclamation with the word________ or ________. We often use" __________ " at the end of an exclamation. What How ! 1.You are wearing an old shirt. What an old shirt you are wearing! 2.The boys are very excited. How excited the boys are! 3.They are friendly people. What friendly people they ar