语法专题 ▏小学英语语法详解49:时态的分类(现在完成时的构成和不同人称的用法)
☆小学英语学习帮·语法课堂☆
现在完成时的构成和不同人称的用法
什么是现在完成时?
现在完成时指的是过去发生并且已经完成的动作对现在造成影响或后果,过去某一时间开始并一直持续到现在并且有可能还会持续的动作或状态。
一. 基本构成:have / has+done(动词的过去分词p.p)
I have finished my homework.
我已完成了作业。(这里的finished就是动词finish的过去分词。)
二.动词过去分词变化规则
我们和动词过去式一起来记忆吧!
变化规则 | 动词原形 | 动词过去式 | 动词过去分词 |
A-A-A型 | cut | cut | cut |
put | put | put | |
read | read | read | |
set | set | set | |
hurt | hurt | hurt | |
let | let | let | |
shut | shut | shut | |
A-B-B型 | bring | brought | brought |
buy | bought | bought | |
keep | kept | kept | |
A-B-B型 | build | built | built |
send | sent | sent | |
spend | spent | spent | |
tell | told | told | |
think | thought | thought | |
teach | taught | taught | |
A-B-B型 | say | said | said |
meet | met | met | |
make | made | made | |
A-B-C型 | begin | began | begun |
drink | drank | drunk | |
sing | sang | sung | |
ring | rang | rung | |
blow | blew | blown | |
fly | flew | flown | |
draw | drew | drawn | |
grow | grew | grown | |
drive | drove | driven | |
ride | rode | ridden | |
break | broke | breaken | |
freeze | froze | frozen | |
forget | forgot | forgetten | |
eat | ate | eaten | |
fall | fell | fallen | |
take | took | taken | |
go | went | gone | |
A-A-B型 | beat | beat | beaten |
A-B-A型 | come | came | come |
become | became | become | |
run | ran | run |
学习小贴士
★情态动词没有过去分词。
★Be动词(am,is,are)的过去分词只有been.
三. 现在完成时不同人称的用法
I have washed my car.
我洗过车子了。
We have done the whole work.
我们干完了所有活儿。
They have gone.
他们已经走了。
Have you seen the doctor?
你看过医生了吗?
He has been to Hong Kong.
他去过香港了。
The boy has walked for a long time.
这个男孩已经走了很长时间了。
学习小贴士
现在完成时中,主语是I/you/we/they时,助动词用have;主语是第三人称单数时,助动词用has。
声明:以上部分内容整理于网络,仅作分享学习,资源版权属于原作者,如有侵权请联系我们删除。Thanks♪(・ω・)ノ
汇总合集 ▏人教版PEP小学英语3-6年级上册各单元微课+知识点梳理+音视频+电子课本高清可打印
汇总合集 ▏苏教译林版小学英语1-6年级上册各单元学习视频+知识点梳理+音频MP3+课文翻译+电子课本
【全汇总】人教版(PEP版+精通版+新起点)小学英语1-6年级下册同步微课/知识点梳理/课文视频/课文音频/单词MP3/电子课本
【全汇总】外研社小学英语(三起点+一起点)1-6年级下册微课/知识点梳理/课文单词音频MP3/课本图片