例如：

My earphones were on the ground just now.

我的耳机刚刚还在呢。

Where were you last week?I was at a camp.

你上个星期去哪了?我去野营了

What did you do yesterday?I visited a farm。

你昨天去干嘛了?我去参观农场了。

问句有be动词将be动词移前，没有be动词借助于did，后面动词还原;

否定句有be动词在后面加not，没有借助于didn't后面动词还原。

一般将来时：

表示：

将要打算发生的事情或动作，常与tomorrow,next week(year;Tuesday…),this week(weekend;evening;afternoon;…)today等词连用。

结构：

主语+be(am,is,are)going to+动原或主语+will+动原。

例如：

What are you going to do tomorrow?I am going to have a picnic.

你明天要去干嘛?我要去野餐。

The childre are going to have a sports meeting next week.

孩子们下个星期将参加运动会。

Tom will/is going to see a play with his father this evening.

Tom今晚将和父母去看演出。

问句将be动词或will移前;否定句在be动词或will后加not.

情态动词：

can;can’t;should;shouldn’t;must;may后一定加动词原形。

例如：

The girl can’t swim,but he can skate.

女孩不会游泳，但是会滑冰

Don’t 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。

祈使句：

肯定祈使句以动词原形开头;否定祈使句以don’t加动词原形开头。

例如：

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!

Don’t walk on the grass!

不要在草地上走!

Helen!Don’t climb the tree,please.

海伦!不要爬树。