2023年中考英语现在完成时课件 (共31张PPT)

(共31张PPT)
现在完成时态
现在完成时
现在完成时的构成
现在完成时的主要用
法
现在完成时的时间状语
短暂性动词与时间段的关
系
have been与have gone比
较
现在完成时的构成
助动词have(has)+过去分词
现在完成时的句式
1.肯定句
主语+have(has)十过去分词
注意：该句式中的have或has是助动词，has用于第
三人称单数，其它人称一律用have。
他已经吃了早饭.
He has eaten breakfast.
2.否定句
主语+haven't/hasn't十过去分词
He hasn't eaten breakfast.
3.一般疑问句
Have/Has+主语+过去分词
Yes,主语（代词主格）+have/has
No,主语+haven't/hasn't.
Has he eaten breakfast
Yes ,he has.
总结过去分词的变化规则
A:规则变化
①直接在原形后+ed
worked
played
②词尾是e时，直接加d
lived
③若词尾为“辅音字母加y”,则变y为加edearry-carried study-studied
④末尾只有一个辅音字母的重读闭音节，双写末尾辅音字母加d
eg:stopped dropped shopped planned
want-wanted
work—
worked
need
-needed
clean-cleaned
like-
liked
live-
lived
use-
used
move-
moved
stop-stopped
drop -dropped
plan planned
study-
studied
carry-carried
hurry-hurried
marry-married
B不规则过去分词的构成
Type
original
p.t
p.P
cost
cost
cost
AAA
read
read
read
meet
met
met
ABB
catch
caught
caught
ride
rode
ridden
speak
spoke
spoken
ABC
drink
drank
drunk
eat
ate
eaten
come
came
come
ABA
run
ran
run
become
became
become
现在完成时的主要用法
一.表示过去发生或已完成的某一动
对现在造成的影响和结果。
He has ever read the book.
(他读过这本书。)》
I have already finished my homework.
我已经完成了家庭作业。)