含不定詞句型
…… do all one can to ……
結(jié)構(gòu)︰主詞＋do all one can to-不定詞…
說明︰此句型意為“盡一切可能來…”。注意 do 和 can 的<時態(tài)>要保持一致。
Daddy did all he could to fill my needs and desires.爸爸盡一切可能來滿足我的需求和欲望。
You should do all you can to persuade him. 你應(yīng)該盡一切可能來說服他。
We have done all we could to catch up with them. 我們已經(jīng)盡了一切可能來趕上他們。
have sth. to do with ……
結(jié)構(gòu)︰…… have something／nothing to do with ……
說明︰此句型意為“…與…有／無關(guān)系”。這是包含不定式的習(xí)慣用法。隨著“有關(guān)系”的程度， something 可改為 little，much，a great deal 等。have nothing to do with表示否定；have anything to do with 用于<疑問句>中。
Her diligence must have something to do with his success.
她的勤勉和她的成功一定有某些關(guān)系。
The traffic accident had nothing to do with him. 這交通事故和他一點關(guān)系也沒有。
His wife had much to do with his bankruptcy. 他的破產(chǎn)和他的妻子很有關(guān)系。
have no other N except to
結(jié)構(gòu)︰主詞＋have no other＋名詞＋except／than＋to-不定詞
說明︰此句型意為“除了要…沒有其它的…”。except 可以換成 than.
The speaker has no other purpose except to make people laugh.
這位演說者除了想搞笑之外，沒有別的目的。
We have no other choice than to agree with them. 我們除了同意他們之外，沒有別的選擇。
I have no other wish except to pass the examination.我除了要通過考試之外，沒有別的心愿。
…… in order/so as to ……
結(jié)構(gòu)︰in order／so as＋to-不定詞…
說明︰此句型意為“為了…；想做…就得…”。這是表目的的不定詞句型，意思更為明確。
He must work very hard in order to support his large family.
他必須拼命工作以養(yǎng)活他的大家庭。
Listen carefully so as to follow the teacher. 要仔細聽才能聽懂老師講的課。
You must watch your step so as not to fall down. 你必須留心腳下才不會跌下去。
…… be used to ……
結(jié)構(gòu)︰主詞（物） + be used to-不定詞
說明︰此句型意為“被用來…”。主詞通常是無生命的東西。而“物＋be used as＋<名詞>”譯為“被用來當(dāng)做…”。
The book is used to teach us how to write. 這本書教我們?nèi)绾螌懽鳌?BR> The knife can be used to cut meat. 刀能用來切肉。
It is said that the plant can be used to treat hepatitis. 據(jù)說那種植物可用來治肝炎。
The book is used as a reference book. 這本書被用來做參考書。
…… do all one can to ……
結(jié)構(gòu)︰主詞＋do all one can to-不定詞…
說明︰此句型意為“盡一切可能來…”。注意 do 和 can 的<時態(tài)>要保持一致。
Daddy did all he could to fill my needs and desires.爸爸盡一切可能來滿足我的需求和欲望。
You should do all you can to persuade him. 你應(yīng)該盡一切可能來說服他。
We have done all we could to catch up with them. 我們已經(jīng)盡了一切可能來趕上他們。
have sth. to do with ……
結(jié)構(gòu)︰…… have something／nothing to do with ……
說明︰此句型意為“…與…有／無關(guān)系”。這是包含不定式的習(xí)慣用法。隨著“有關(guān)系”的程度， something 可改為 little，much，a great deal 等。have nothing to do with表示否定；have anything to do with 用于<疑問句>中。
Her diligence must have something to do with his success.
她的勤勉和她的成功一定有某些關(guān)系。
The traffic accident had nothing to do with him. 這交通事故和他一點關(guān)系也沒有。
His wife had much to do with his bankruptcy. 他的破產(chǎn)和他的妻子很有關(guān)系。
have no other N except to
結(jié)構(gòu)︰主詞＋have no other＋名詞＋except／than＋to-不定詞
說明︰此句型意為“除了要…沒有其它的…”。except 可以換成 than.
The speaker has no other purpose except to make people laugh.
這位演說者除了想搞笑之外，沒有別的目的。
We have no other choice than to agree with them. 我們除了同意他們之外，沒有別的選擇。
I have no other wish except to pass the examination.我除了要通過考試之外，沒有別的心愿。
…… in order/so as to ……
結(jié)構(gòu)︰in order／so as＋to-不定詞…
說明︰此句型意為“為了…；想做…就得…”。這是表目的的不定詞句型，意思更為明確。
He must work very hard in order to support his large family.
他必須拼命工作以養(yǎng)活他的大家庭。
Listen carefully so as to follow the teacher. 要仔細聽才能聽懂老師講的課。
You must watch your step so as not to fall down. 你必須留心腳下才不會跌下去。
…… be used to ……
結(jié)構(gòu)︰主詞（物） + be used to-不定詞
說明︰此句型意為“被用來…”。主詞通常是無生命的東西。而“物＋be used as＋<名詞>”譯為“被用來當(dāng)做…”。
The book is used to teach us how to write. 這本書教我們?nèi)绾螌懽鳌?BR> The knife can be used to cut meat. 刀能用來切肉。
It is said that the plant can be used to treat hepatitis. 據(jù)說那種植物可用來治肝炎。
The book is used as a reference book. 這本書被用來做參考書。