2017年高考英語語法必考知識(shí)點(diǎn)：動(dòng)詞不定式的完成進(jìn)行式

學(xué)分網(wǎng)給各位考生整理了2017年高考英語語法必考知識(shí)點(diǎn)：動(dòng)詞不定式的完成進(jìn)行式，希望對(duì)大家有所幫助。更多的資訊請(qǐng)持續(xù)關(guān)注學(xué)分網(wǎng)。（http://www.mlvmservice.com/）

▲高考英語語法必考知識(shí)點(diǎn)：動(dòng)詞不定式的完成進(jìn)行式

形式

to have been + 現(xiàn)在分詞

He seems to have been spying for both sides.

他似乎一直在為兩方面搞秘密情報(bào)。

▲高考英語語法必考知識(shí)點(diǎn)：動(dòng)詞不定式的完成進(jìn)行式

用法

只要用于助動(dòng)詞之后和appear，seem之后，但也可以用在happen，pretend以及believe，know，report，say，understand的被動(dòng)式之后：

He appears to have been waiting a long time.相當(dāng)于：

It appears that he has been waiting a long time.

看來他已經(jīng)等了很久了。

He pretended to have been studying. 相當(dāng)于：

He pretended that he had been studying.

他假裝一直在學(xué)習(xí)的樣子。

▲高考英語語法必考知識(shí)點(diǎn)：動(dòng)詞不定式的完成進(jìn)行式

句型用法

在There be句型中的動(dòng)詞不定式：

For example one,There are too much homework to write.

two,There are students writing too much homework.

▲高考英語語法必考知識(shí)點(diǎn)：動(dòng)詞不定式的完成進(jìn)行式

強(qiáng)調(diào)動(dòng)作在一段時(shí)間內(nèi)反復(fù)發(fā)生。

We have been seeing quite a lot of each other recently.

最近我們常常見面.

Where have you been We have been looking for you everywhere.

你剛才在哪兒我們一直在到處找你呢!

He has been saying that for years.

這話他已經(jīng)說了好幾年了.

It has been raining every day this month.

這個(gè)月天天下雨.

2、強(qiáng)調(diào)動(dòng)作在長(zhǎng)時(shí)間內(nèi)持續(xù)不斷.

All these years they have been contributing articles to our magazine.

這些年來,創(chuàng)立們一直為我們雜志寫稿.

She has been writing the letter since four o”clock in the afternoon.

從下午四點(diǎn)鐘到現(xiàn)在,她一直在寫信.

We have been studying in this school for three years.

我們一直在這所學(xué)校學(xué)習(xí)了三年.

How long have you been watching TV

你看了多久電視了

推薦閱讀：

2017年高考英語語法必考知識(shí)點(diǎn)：動(dòng)詞不定式的完成式
2017年高考英語語法必考知識(shí)點(diǎn)：動(dòng)詞不定式的被動(dòng)式
2017年高考英語語法必考知識(shí)點(diǎn)：動(dòng)詞不定式的進(jìn)行式
2017年高考英語語法必考知識(shí)點(diǎn)：動(dòng)詞不定式的特殊句型