1.(1)动词原形开头的句子叫祈使句。
（变否定句时，在句首加don’t, please放句末，用逗号隔开。） 如，Sit down, please.
否定句：Don’t sit down , please. Please don’t come in. 2.(1)have to / has to +动原, “不得不，必须（表客观）”； I have to wear my school uniforms. (2)must +动原, “必须，一定，（表主观）”;
He must be hungry, he always wants to eat something.他一定是饿了，他总是想吃东西.( must be 表推测；),
(3) Must I „？No, you needn’t. /No, you don’t have to.( 中考点) ,
3.(1) 太多：too many +复数；too much + 不可数名词； 如，I ate too many potatoes . He has too much homework to do .他有太多作业要做。Much too +形= too+形，“太„” I have too much homework. It’s much too difficult. There are too many rules at home. (2) make the bed铺床 , (3)run to school跑到学校,
(4)in the kitchen在厨房, after school放学后，
(5)leave for 去„, I am leaving for Beijing. 我打算去北京.
4.(1)look, look at 看（强调动作）； (2)see看见，（强调结果）；
(3)watch观看（电视，电影，比赛）；
(4)read看（看书，报纸，地图，杂志等有字的东西）， (5)listen , listen to 听（表动作）；hear听见（表结果）；
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