Joanna has been in a bad mood recently.乔安娜最近心情不好
Joanna:Molly, I asked my mom to buy a skateboard(滑板) for me, but she refused(拒绝)! You know I like skateboarding with my friends. I’m so upset(沮丧的).莫莉,我让妈妈给我买个滑板,但她拒绝了!你知道我喜欢和朋友一起玩滑板。我很沮丧。
Molly: Maybe you can try to talk to her once more.也许你可以试着再和她谈谈。
Joanna:I tried, but it doesn’t work(起作用).我试过了,但没用
Molly:I know you really want to get one.我知道你很想要一个。
Joanna:Of course! But I don’t know how to persuade(说服) my mom.当然!但我不知道如何说服我妈妈。
老师:Hey, Molly,Joanna.你们的谈话里有很多行为动词哦!
Joanna:老师,什么是行为动词啊?
老师:行为动词,即实义动词,它具有实在意义,表示某个动作和状态。比如在刚刚的对话里,ask、like、try、want等动词,都属于行为动词,表达“询问”、“喜欢”“想要”等具体行为动作。
Molly:那这些行为动词如何使用呢?
老师:在一般现在时中,它的结构可根据肯定、否定和疑问这三个句型分成三种情况:
No.1 肯定句中
其结构为: 主语 + 动词 +其他成分
当主语为第三人称单数时,动词用三单形式;主语非三单时,则使用原形
比如用行为动词“like”来举例:
I liketeaching.
Joanna likesskateboarding with her friends.
Molly and Joanna both like playing tennis.
注意哦,like作为行为动词译为“喜欢”,作为介词则译为“像”
No.2 否定句中
其结构为:主语 + 助动词(do/does)+ not + 动词原形 + 其他成分
当主语非三单时,使用助动词do;反之,则使用助动词does
比如 “I like teaching.”这个句子,变为否定句就是
Ido not like teaching.
再比如: Joanna likes skateboarding with her friends.这个句子,变成否定句就是…
Molly:老师老师,我知道,是 “ Joanna does not likes skateboarding with her friends.”
老师:错啦!Molly. 一定要注意哦,助动词do和does后面的动词都必须使用原形
Joanna:老师,我知道啦!我们应该说:Joannadoes not like skateboarding with her friends.
老师:Bingo!但通常情况下我们一般使用其缩略形式,do not 缩略为don’t, does not缩略为 doesn’t.
No.3 疑问句中
在一般疑问句中,我们只需在句首加 Do或Does即可
“I like teaching.” 这个句子,一般疑问句如何变化呢Joanna?
Joanna : Do you like teaching?
老师:Great! 那 “ Joanna likes skateboarding with her friends.”这句如何变化呢Molly?
Molly:Does Joannalike skateboarding with her friends?
老师: Excellent! Molly! 无论是在否定句还是疑问句中,助动词do或does后面的动词都必须使用原形,所以这里的like千万不能加s哦!
Molly/Joanna:Got it!
老师:在特殊疑问句中,它的构成为
特殊疑问词 + 一般疑问句
比如:What do you like?
Why do you like teaching?
When does she get up?
Joanna:Molly, I have an idea. I can help my mom to do some housework(家务) and maybe she will buy a skateboard for me as a present(礼物) some day.莫莉,我有个主意。我可以帮助我妈妈做家务,也许她会给我买一个滑板作为礼物。
Molly:Aha! You can try it!
老师:Doing is better than saying(行胜于言). Go and show her now!
说不如做。现在就去给她看!