1 请告诉我以下时式应该在什么时候用 2 以下时式表达的意思 比如假设个情景 a; what was he doing at lunch yesterday or last week

last yearB; he was playing football at lunch yesterday - always used when there are o action happening at the same time. 现在式eg' he is a student = he goes to school everyday = the action takes place everyday or always at the same time - on every Monday

on every Sunday regularly 现在进行式eg' he is playing football now 现在完成式eg' he has played football = no time indication of when action has happened. 现在完成进行式eg' he has been playing football since he was a child 过去式eg' he was a student last year

3 years ago 过去进行式eg' he was playing football when his mother came home yesterday =always used when there are o action happening at the same time. 过去完成式eg' he had played football before he went to visit his grandmother last Sunday.= o action take place and one action es first so perfect tense is used. 过去完成进行式eg' he had been playing football when he was a student in school 未来式eg' he will go to school next year 未来进行式eg' he will be playing football at this time tomorrow morining 未来完成式eg' he will have fnished the homework at night tomorrow 未来完成进行式eg 'i don't know how to write this kind of sentence - please fet this one and dont get yourself confused. We seldom use this type of tense.by the way 请问被动语态eg' the cat was killed by me 什么时候用 =( any time specially when we emphasis the cat = the same meaning as II killed the cat. 万分感激！！！！！！！！！！！！！！！！请不要复制一大堆难明噶答案

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1. Simple present tense(现在式) 它是用来表示习惯性或普通的动作 例句:He walks in his garden every day. 例式:go goes 提示字:every day

all the time

always

often

daily...... 2.Present continuous tense(现在进行式) 它是用来表示在进行中的动作 例句:We are doing my homework now. 例式:are/is going 提示字:now

at present

at the moment

!

right now....... 3.Simple future tense(未来式) 它是用来表示未来会做的事 例句:They will have a party tomorrow. I think shall/will(在乎位老师教那种) have fun there. 例式:will/shall go 提示字:tomorrow

tonight

soon

in future

before long ........ 4.Simple past tense(过去式) 它是用来表示已过去的动作和已过去的习惯性动作 例句:The cat caught some mice yesterday. 例式:went 提示字:yesterday

last(xxxx)

this(xxxx)

ago

once upon a time...... 5.Past continuous tense(过去进行式) 它是用来表示在过去进行中的动作 例句:When Mum was cooking dinner

Dad came home. 例式:was/were going went 提示字:when

while

at this time yesterday

as...... 6.Present prefect tense(现在完成式) 它是用来表示刚刚完成的动作和在过去开始而继续到现在的动作 例句:He has collected stamps for ten years. 例式:has/ have gone 提示字:already

just

yet

since

never

ever....... 7.Past prefect tense(过去完成式) 它是用来表示在过去完成的动作

而此动作而比另一个动作为先 例句:After Bob had locked the door

he went to sleep. 例式:had gone 提示字:Before

After ........ 还有一些东西需留意： (被动式) Passive 现在式:An apple *is eaten by* Mary every day. 现在进行式:An apple *is being eaten by* Mary now. 过去式:An apple *was eaten by* Mary yesterday. 未来式:An apple *will be eaten by* Mary tommorrow. 现在完成式:An apple *has been eaten by* Mary already. *BIG B=Bare Infinitives 例:swim 例句:Mary lets me swim. I=Infinitives 例:to swim 例句:Mary wants to swim. G=Gerunds 例:swimming 例句:Mary likes swimming. Bare Infinitives 提示字: let

make

can

could

must

should

may

might......... Infinitives 提示字: allow

agree

ask

decide

hope

invite

learn

teach

tell

try

want

wish

plan

remember..... Gerunds提示字: love

like

hate

enjoy

stop

avoid

go

finish

keep

mind

(see

hear

feel)....

参考: me

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