作业帮现在完成进行时与现在完成时的区别 还有什么时候现在完成进行时等于现在完成时
来源：学生作业帮 编辑：作业帮 分类：英语作业 时间：2024/05/04 23:58:48
现在完成进行时与现在完成时的区别 还有什么时候现在完成进行时等于现在完成时
比如练习题出现I （）a book用write的适当形式填 改怎么填
比如练习题出现I （）a book用write的适当形式填 改怎么填
区别：现在完成时 & 现在进行时 & 现在完成进行时
①当描述的动作开始于过去时间,但已结束,用现在完成时
They have built a bridge.
②当描述的动词正在发生或进行时,用现在进行时
They are building a bridge.
③当描述的动作开始于过去时间,并持续到现在时,现在完成时等同于现在完成进行时
这些句子往往都含有for和since引导的时间
They have been building a bridge.
They have been living in this city for ten years.= They have lived in this city for ten years.
I have been working here for five years.= I have worked here for five years.
【另外】
你说的那个题填什么都可以,答案不固定
可以是writes wrote am writing
>>>>>>>>>>>>>>>>>>>>良师益友伴你行团队
①当描述的动作开始于过去时间,但已结束,用现在完成时
They have built a bridge.
②当描述的动词正在发生或进行时,用现在进行时
They are building a bridge.
③当描述的动作开始于过去时间,并持续到现在时,现在完成时等同于现在完成进行时
这些句子往往都含有for和since引导的时间
They have been building a bridge.
They have been living in this city for ten years.= They have lived in this city for ten years.
I have been working here for five years.= I have worked here for five years.
【另外】
你说的那个题填什么都可以,答案不固定
可以是writes wrote am writing
>>>>>>>>>>>>>>>>>>>>良师益友伴你行团队