作者：丁楠
一、To do sth. is one's dream. 做某事是某人的夢(mèng)想。
【考點(diǎn)說明】 句中的不定式作主語(yǔ)。
To be a teacher is my dream. 做老師是我的夢(mèng)想。
To visit the Great Wall of China is her dream. 參觀中國(guó)的長(zhǎng)城是她的夢(mèng)想。
【知識(shí)串聯(lián)】 It is a / one's dream to do sth. 做某事是一個(gè)/某人的夢(mèng)想，句中it為形式主語(yǔ)，不定式為真正主語(yǔ)。
It is my dream to join the party. 入黨是我的夢(mèng)想。
二、Doing sth. is a lot of fun. 做某事很有趣。
【考點(diǎn)說明】 句中doing為動(dòng)名詞作主語(yǔ)，fun為不可數(shù)名詞，表樂趣。
Swimming in a river in summer is a lot of fun. 夏天在河里游泳很有趣。
Chatting with a close friend is really a lot of fun. 跟密友閑聊很有趣。
【知識(shí)串聯(lián)】 make fun of sb. / sth. 嘲笑某人 / 某事物，通常含有惡意。
Don't make fun of people who make mistakes. 不要嘲笑犯錯(cuò)誤的人。
三、What do you mean by ...? 你......是什么意思？
【考點(diǎn)說明】 該句型詢問對(duì)方某動(dòng)作或話語(yǔ)的意圖，by后面接名詞、代詞或動(dòng)名詞。
What do you mean by that word? 你說那個(gè)字是什么意思？
What do you mean by saying like that? 你那么說是什么意思？
【知識(shí)串聯(lián)】 What's your meaning by ...？你......是什么意思？
What's your meaning by smiling? 你微笑是什么意思？
What's your meaning by shaking your head? 你搖頭是什么意思？
四、go from ... to ... doing sth. 從......到......做某事
【考點(diǎn)說明】 句中from與to后面均應(yīng)接地點(diǎn)，doing sth.為現(xiàn)在分詞作伴隨狀語(yǔ)。
Don't go from place to place doing nothing. 別從一個(gè)地方走到另一個(gè)地方，什么事都不做。
He went from door to door asking about this matter. 他挨家挨戶打聽這件事。
【知識(shí)串聯(lián)】 go from one ... to another / the other...doing sth.從......到......做某事，one與another / the other后面均接地點(diǎn)名詞。
He went from one shop to another/the other looking for this kind of bikes. 他挨家商店尋找這種自行車。
五、be based on根據(jù)......；以......為依據(jù)
【考點(diǎn)說明】 該短語(yǔ)中on是介詞，后接名詞、代詞或動(dòng)名詞。
His short story is based on a real person. 他的短篇小說以真人為原形。
His invention was based on his dreams. 他的發(fā)明根源于他的夢(mèng)想。
【知識(shí)串聯(lián)】 base on根據(jù)......，以......為基地
Prices usually base on public's demand.物價(jià)的波動(dòng)常以大眾的要求為根據(jù)。
The troops based on that island.部隊(duì)曾以那個(gè)島為基地。
六、can't wait to do sth. 迫不及待地做某事
【考點(diǎn)說明】句中to do sth.為不定式短語(yǔ)作原因狀語(yǔ)。
I can't wait to learn the result of the exam.我迫不及待地想了解考試結(jié)果。
I can't wait to see her. 我急于去看她。
【知識(shí)串聯(lián)】 be eager to do sth.渴望做某事
She is eager to join the party.她渴望入黨。