小学英语句子基本结构课件.ppt

②含有第一、三人称主语的祈使句 A、肯定的祈使句 Let＋第一人称（me, us）＋…… Let＋第三人称代词（him/her/it/them）或名词＋…… 咱们马上动身吧。 ?Let’s go at once． ?Let’s go, shall/shan’t we?. ?Let us go, will/won’t you? Yes, let’s/No, let’s not. ?Let me try again． ?Let Tom go there himself． B、否定的祈使句 Let’s (us, me)＋not＋动词原形＋…… Don’t let＋第三人称代词的宾格或名词＋动词原形 ?Let’s not say anything about it． ?Don’t let them play with fire． Let them not play with fire. 祈使句有时相当于一个if引导的条件状语从句。 祈使句：?Use your head and you’ll find a way. 条件句：?If you use your head, you’ll find a way. 如果你动动脑筋，你就会找到方法。 句型转换 3、感叹句表示喜、怒、哀、乐等强烈感情。分为两种：一种以what引导，一种以how引导。句尾用感叹号“！”。用降调。 ①what引导的感叹句：What+名词（或形容词＋名词）＋陈述句（主语＋谓语）！ (他是个)多么诚实的人啊! ?What an honest man he is! (这些是)多么大的苹果啊! ?What big apples these are! 多么好的天气啊! ?What fine weather it is! 2 how引导的感叹句：How+形容词或副词＋陈述句（主语＋谓语）+……！ 今天天气多热阿！ How hot it is today! 那凤筝飞得多么高啊! How high the kite is flying! 他跑的多快啊！ How fast he runs! 多么诚实的人啊！ How honest the man is! 我多想当个老师阿1 How I want to be a teacher！ 当How修饰动词时 动词不提前 1按要求改写下列句子 1．There is some milk in the bottle．(改为否定句) 1. There isnt any milk in the bottle. 2．Take the chair to the door．(改为否定句) 2. Dont take the chair to the door. 3．He did the housework yesterday．(改为否定句) 3. He didnt do the housework yesterday. 4．The ship is big．(改为感叹句) 4. How big the ship is!/What a big ship it is! 5．He does well in maths．(改为否定句) 5. He doesnt do well in maths. 6．They can put the bag in the box．(改为否定句) 6. They cannot put the bag in the box. 7．Give him a bottle of milk．(改为否定句) 7. Dont give him a bottle of milk. 8．He had done with the goods before he went away．(改为否定句) 8. He hadnt done with the goods before he went away. 9．These people are very brave．(改为感叹句) 9. How brav