has后面加什么时态

has后面加过去分词,那就是现在完成时。

has：有;have 的第三人称单数现在时形式。

扩展资料

The latest model has over 100 new features.

最新的款式有100多种新特色。

There has been a high uptake of the free training.

免费培训有很多人参加。

His quality of life has improved dramatically since the operation.

手术后他的'生活质量大大改善了。

A new system has been devised to control traffic in the city.

控制城市交通的新系统已经设计出来。

The company has a long tradition of fine design.

这家公司的优秀设计历史悠久。

has been后面跟动词的过去完成时。例如：I has been lived in China for two years.扩展资料例句：1、The present regime has been in power for two years.现政权已经执政两年......

has to后面加动词原型。has：有; have 的第三人称单数现在时形式。to：prep. 到; 向; 往(某方向或某处); 位于…方向; 到达(某处)。扩展资料He always has to have the last wor......

1. has本身就是动词，英语当中除了有时候表示强调、省略连接词和一些固定句式用法之外，不能出现两个动词连用现象。例如: has sb do sth. 让某人做某事。 Miss Li has Tom clea......

加ed为过去式。过去分词作表语时，说明主语所处的状态。You shouldn’t try to stand up if you are badly hurt.如果你严重受伤，就不应站起来。表示情感的动词的ed形式作表语，......

by后加过去时间，用于主句是过去完成时。例如：By the time he was 7,he had learnt English himself.by后加现在时间，用于主句是现在完成时。例如：I have done my homework by th......