一、现在进行时表示正在进行的动作或存在的状态,常常与now,look,listen,at present等时间状语连用。
二、现在进行时的构成:be(am/is /are)+现在分词
三、现在进行时态的肯定式、否定式、疑问式及回答。
肯定式 #
be(am/is/are)+动词-ing
如:I am watching TV.
She is reading a book.
They are running.
否定式 #
be+not+动词-ing形式
如:The twins aren’t cleaning their bedroom.
一般疑问句 #
be 动词提前。
肯定回答:Yes,主语+be.
否定回答:No,主语+be not.
如:Are you playing the pipa now?
Yes,I am. ,I am not.
特殊疑问句: #
(1)对谓语动词进行提问:What +be +主语+doing+其他?
如:What is the boy doing under the tree?
那个男孩在树下做什么?
(2)对其他成分进行提问:疑问词+一般疑问句?
如:Where is the man swimming?
那个人在哪里游泳?
动词ing规则