人教版-英语-七年级下Unit 6 语法时态解析
发布时间:2021-06-07
发布时间:2021-06-07
人教版英语七年级下Unit 6 I’m watching TV. 语法时态-现在进行时
—What are you doing? 你在做什么? —I’m watching TV. 我在看电视。 关于现在进行时态:
1.一般定义:现在进行时表示现在正在进行或发生的动作,也可表示当前一段时间内的活动或现阶段正在进行的动作。
2.两个标志:有be ( am / is / are ) 动词v-ing
3.三种变化规律
(1)直接加ing:
do—doing draw—drawing
answer—answering read—reading
listen—listening fly—flying sing—singing
play—playing cook—cooking
(2)以不发音的字母e结尾的动词,去掉末尾的e再加ing:
write—writing dance—dancing
take—taking have—having
make—making ride—riding
(3)以一个辅音字母结尾的重读闭音节词,要双写最后一个辅音字母,再加ing: get-getting run-running swim-swimming sit-sitting put-putting
(4)以ie 为重读音节结尾的单词,先去掉e,把i 变为y,再加 –ing。 lie --- lying die --- dying
4.四种变化:现在进行时态的肯定式、否定式、疑问式及简略回答。
(1)肯定式:be+v-ing She is singing in the next room.
(2)否定式:be+not+v-ing The students aren’t cleaning the room.
(3 be(am/ is/are)+ 主语+doing+其他成分 肯定答语Yes 否定答语No,主语+be not。
Eg:Are you playing the computer game? Yes, I am. /No, I am not.
(4)特殊问句:
对谓语动词进行提问的:What+be(am/ is/are) +主语+doing+其他? What is the old man doing under the tree?
对其他成份进行提问的,疑问词+一般疑问 Where is the boy swimming?
结合所学句型
What are you doing? I’m ......
What is he/she/it doing? He’s/She’s/It’s …
What are they doing? They are …
5.We are making model planes these day.目前我们在做飞机模型。
【注意】
1) 位移动词:go,come,leave,stay,start,begin
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