語法總結(jié)

用于現(xiàn)在完成時得句型

布局中得從句局部,用現(xiàn)在完成時, 1，It is the first / second time.... that

比方,

It is the first time that I have visited the city.

這為我第一次訪問這都會,

這為我第一次聽他唱歌, ， that ， I've heard him sing. This is the first time

留意, It was the third time that the boy had been late.

從句要用現(xiàn)在完成時,比方,

2，This is + 形容詞最高級 +that 布局,that

這為我看過得最好得影戲, ，ever ， seen. This is the best film that I've

典范例題

，1， ---Do you know our town at all?

---No, this is the first time I here.

A. was B. have been C. came D. am coming

背面所加從句應(yīng)為如今完成時,應(yīng)選 答案 B. This is the first time B,

2， ---Have you been to our town before?

---No, it's the first time I here.

A. even, come B. even, have come C. ever, come D. ever, have come

答案D. ever 意為曾經(jīng)或無論何時,反意詞為 never ,此兩詞常用于完成時,

留意,非連續(xù)性動詞得否認情勢可以與表現(xiàn)連續(xù)時間得狀語連用, 即行動不產(chǎn)生

得狀態(tài)為可以一連得,

，錯，I have received his letter for a month.

，對，I haven't received his letter for almost a month.

比擬since 與 for 11.12

用去闡明行動起始時間, for 用去闡明行動連續(xù)時間長度,比方, Since

我住在這兒二十多年了, I have lived here for more than twenty years.

我從出生起就住在這兒了, I have lived here since I was born.

作為時間狀語得句子都用如今完成時, 留意,并非有 for

，我如今已不在這里事變,， I worked here for more than twenty years.

，如今我仍在這里事變,， I have worked here for many years.

留意,用句型轉(zhuǎn)換得要領(lǐng),很輕易清除非連續(xù)動詞在有 布局得完成時 for/since 中得誤用,

1，，對， Tom has studied Russian for three years. = Tom began to study Russian three years ago, and is still studying it now.

2，，錯， Harry has got married for six years. = Harry began to get married six years ago, and is still getting married now.

顯然,第二句不對, 它應(yīng)改為 或 Harry has Harry got married six years ago.

been married for six years.

11.13 since 得四種用法

1， since + 已往一個時間點 ，如詳細得年、 月、日期、鐘點、1980, last month,half pastsix，,比方,

起,我不停在這兒, I have been here since 1989. 1989

2， since + 一段時間 + ago ,比方,

我在這兒,已經(jīng)有五個月了, I have been here since five months ago.

3， since + 從句,比方,

你走后,變革可大了, Great changes have taken place since you left.

我們走后,變革可大 Great changes have taken place since we were here. 了,

從句,比方, 4， It is + 一段時間 + since

It is two years since I became a postgraduate student. 我考上研究生有兩年了,

連續(xù)動詞與剎時動詞11.14

1， 用于完成時得區(qū)別

連續(xù)動詞表現(xiàn)履歷、履歷, 剎時動詞表現(xiàn)舉動得效果,不能與表現(xiàn)段得時間狀語連用,比方,

他已完成了那項事變, ，表效果， He has completed the work.

我從當(dāng)時起就熟悉他了,，表履歷， I've known him since then.

從句得差別

2， 用于 till / until

直到, 連續(xù)動詞用于肯定句, 表現(xiàn) " 做 剎時動詞用于否認句, 表現(xiàn) " 到 " 才 ",比方,

他到10 點才回去, He didn't come back until ten o'clock.

他不停睡到10 點, He slept until ten o'clock.

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