(2)动词have第三人称用has,其余人称都用have。 pymT-
(3)第三人称单数需要在动词词尾加-s或-es。 sFGXW
2)基本用法 9<Bf5d
(1)用于表示客观真理、科学事实或习惯性的动作以及存在的特征、状态,常用的时 $;@s
间标志是:often, always, sometimes, usually, every day ( week, month, year, morning ) , }^QY<Cp|
seldom等。例如: 9M7{.XR,
The sun rises in the east. eF2<L [9
He usually goes to work by bus. <oR Nd3d
The Jones always go to church on Sunday. Vb1@JC9b
(2)表示按计划或安排好的将来的动作,常用的词有:go, be, start, arrive, stay等。例 O" z=+79q
如: VRxBi!d
The plane arrives in Beijing this afternoon. ~gV|_G
The project starts early this year. E]gKJVf9[
There is a conference tonight. $GYy[-.`
(3)由if, when 引导的条件和时间状语从句中,用一般现在时代替一般将来时。例如: ;%%
=G;b9
When you see him, please say hello to him for me. 7?kvrIuY&
If it is fine tomorrow, we will go outing. MBa/-fD
2 、一般过去时 LN7;Yr
1)构成:动词过去式 }XAoMp
2)基本用法 sd=i!r)ya
用于表示过去某一时刻或时期内发生的动作或状态。常用的时间标志词有: Tn-H8;Hg
yesterday, then, later, next day, just now, a moment ago,ago, last year (week, month)或由 K|s+5>]W/[
when, while等引导的表明过去时间的状语从句。例如: Ak1f*HGl|
He died five years ago. aEgzQono
In those days we sowed the wheat by hand. >`lf1x
He has given up smoking, but a year ago he fygy#&}~
smoked 100 cigarettes a week. %i^%D
When he was a child, he sold newspapers for a living. U2K>\/ -~
3 、一般将来时 jsL'O;K/
1)构成 OCX?U50am
will +动词原形 #_H=pNWe
2)基本用法 ,@2O_O`:
用于表示将来的动作或状态。常用的时间标志词有:the day after tomorrow in等。 V#Wd
例如:They will have a final examination this afternoon. Qs4Jl ;Y _
3)表示将来时的其他形式 >w
V$az
(1) “be going to + 动词原形”表示很快就要发生的 事或打算要做的事或有迹象表 \;g{qM 8
明即将发生的事。例如: .&L#%C
The director is going to call on a meeting to discuss it. 2Gx&ECa,
(2) “be to +动词原形”表示按计划、安排即将发生的动作或表示命令、禁止或 8T1`TGSFC
可能性。例如: T9(~^}_+9
The Prime Minister is to speak on TV tonight. ^^)Pv#[3
(3) “be + 现在分词”表示一个最近按计划或安排要 进行的动作,常用于表示位 6 C
置转移的词,如go, come,arrive,leave, start等,或其他动词。例如: [.0R"|$sy+
We're leaving on Friday. {)`5*sd
They're moving to another hotel the day after tomorrow. :yw0-]/DD
(4)“be about + 动词原形”表示即将做某事。可译 成汉语“将要,正要”。例如: '1bdBx\<.
He is about to retire. kR'!;}s
4 、现在进行时 n /rQ*hr
1)构成:由 “am, is, are + 现在分词”构成。 w\85D|u
2)基本用法 [5:F
(1) 用于此刻正在进行的动作。例如: .*v8*8OJ&
What are you doing ? I'm writing a report. Oa*/jZjr
Hurry up!We’re all waiting for you. )0/DY
(2) 与always, continually, constantly, for ever等频度副词连用,表示某种带有感情色彩 &?x^I{j
(赞叹、抱怨、厌烦等)的现阶段经常发生的动作。例如: _{-GR -
He is constantly complaining about his job. 6)Oe]{-
She’s always borrowing and forgetting to pay me back. "< [D1E\
5 、现在完成时 z07!i@ue~
1)构成: 由“have / has 十过去分词”构成。 BEu9gu
2)基本用法 =TyN"0@
表示动作已经完成或刚刚完成或过去开始的动作一直持续到现在,而且可能持续下 e}7qZ^
去。常用的时间标志词有:already, before, ever, just, once, recently, yet 等或由since G!%1<SLi.
引导的短语或从句和for引导的表示一段时间的短语。例如: 9;q@;)'5
We’ve just back. 7CNEP
2}:R
We have studied English for more than ten years. Pbz-I3+66
He has lived here since 1995. e8P
|eK
I have played the piano since 1 came to England. !+CRS9\D
Have you booked your hotel yet kvryDM
注意:现在完成时与一般过去时的区别 DUY#RJf
(1)过去与现在的关系 V .$<