Unit 6 Ancient stories Grammar
The present perfect tense 动词过去分词 一、规则动词的过去分词的构成及其读音与动词的过去式相同
1 直接在动词词尾加ed构成
例如:call called called
2 以e结尾的直接加d构成
例如:agree agreed agreed
live lived lived 你还记得动词形式的变化吗?
e.g. like liked liked 3 以元音字母加y结尾的直接加ed构成:
例如:play played played (enjoy ,stay)
4 以辅音字母加y结尾的,把y变i为再加ed构成:
例如:study studied studied
5 以重读闭音节结尾的末尾只有一个辅音字母的,应
先双写辅音字母,再加ed构成:
例如: drop dropped dropped
stop stopped stopped
prefer preferred preferred
travel travelled travelled背诵表格hurt
hurt→hurt →hurt
buy
buy →bought →bought
keep
keep →kept →kept
have/has
have/has →had →had
hide
hide →hid →hidden
see
see →saw →seen
know
know →knew →known
hear
hear →heard →heard
sit
sit →sat →sat
think
think →thought →thoughtHe has hurt his foot.hurt看图说话run across /zebra crossing.He has run across the zebra crossing.看图说话He has caught a mouse.catch
看图说话He has read a book.看图说话play the pianoShe has played the piano.
看图说话 we/make two cakesWe have made two cakes.看图说话Transformation of sentencesI have finished.
否定句
I have not finished.
=I’ve not finished.
= I haven’t finished.
一般疑问句
Have you finished?
肯定/否定回答
Yes, I have.
No, I haven’t.She has played the piano.
否定句
She has not played the piano.
=She’s not played the piano.
=She hasn’t played the piano.
一般疑问句
Has she played the piano?
肯定/否定回答
Yes, she has.
No, she hasn’t.
就划线部分提问
What has she done?
1.现在完成时态常与一些时间状语连用,请写出中文意思。
yet还,仍
already已经
just只是
before之前
ever曾
never 从不
recently最近
so far 迄今为止
till/until直到
up to now直到现在
in the past few years在过去的几年
since 自从
深入学习!2.already已经