5情态动词

can;can should;shouldn must;may后⼀定加动词原形。

如：The girl cant swim,but he can skate.

⼥孩不会游泳，但是会滑冰

Dont talk in class,you should listen to the teacher carefully.

不要再课上说话，你应该认真听⽼师讲。

6祈使句

肯定祈使句以动词原形开头；否定祈使句以dont加动词原形开头。

如：Open the box for me,please.

请为我打开盒⼦。

Liu Tao!Please get up earlier tomorrow.

刘涛，明天请早点起床！

Dont walk on the grass!

不要在草地上⾛！

Helen!Dont climb the tree,please.

海伦！不要爬树。

7go的⽤法

去⼲嘛⽤go+动词ing

如:go swimming;go fishing;

go skating;

go camping;

go running;

go skiing;

go rowing

8⽐较

than前⽤⽐较级；asas之间⽤原级。

如：My mother is two years younger than my father.我妈⽐我爸年轻两岁。

Liu Tao jumps as far as Ben.

刘涛跳得和本⼀样远。

9喜欢做某事

⽤like+动词ing或like+to+动原。

如：Su Yang likes growing flowers.

苏阳喜欢种花。

The children like to play with lanterns at Spring Festival.

孩⼦们喜欢在春节去玩花灯。

10想要做某事

⽤would like+to+动原或want+to+动原。

例：Id like to visit the History Museum.=I want to visit the History Museum

11some

⽤于肯定句中，在否定句和问句中改为any,但当表⽰委婉语⽓时仍⽤