【正文】
y ways to solve the problem. 有許多方法能解決這個(gè)問題。 (6)作表語 Their duty is to look after the animals. 他們的職責(zé)是照看動(dòng)物。 2.“疑問詞 +不定式”結(jié)構(gòu) 動(dòng)詞不定式可以和 what, which, when, where, how等疑問詞連用,構(gòu)成不定式短語,在句中作主語、賓語、表語、賓語補(bǔ)足語等。如: When to go to Beijing hasn’t been decided yet. 什么時(shí)候去北京還沒定下來。 (作主語 ) I haven’t decided when to leave yet. 我還沒決定什么時(shí)候離開。 (作賓語 ) : not+to+動(dòng)詞原形。 如 : The teacher told us not to swim in that river. 老師告訴我們不要在那條河里游泳。 to的動(dòng)詞不定式 (1)使役動(dòng)詞和感官動(dòng)詞后要用不帶 to的動(dòng)詞不定式作賓補(bǔ)。但是,當(dāng)上述動(dòng)詞變?yōu)楸粍?dòng)語態(tài)時(shí),其后的不定式必須加上 to。如: We often hear her sing. 我們經(jīng)常聽見她唱歌。 后接省略 to的不定式動(dòng)詞: 五看: watch, see, observe, notice, look at 三使: let,make,have 二聽: hear, listen to 一感覺: feel (2)在 would you please(你愿意 …… 嗎 ), had better(最好 ), why not(為什么不 ), would rather(寧愿 )等結(jié)構(gòu)后,需用不帶 to的不定式。如: He said he would rather stay at home. 他說他寧愿待在家里。 (3)兩個(gè)并列的帶 to的不定式由 and或 or連接時(shí),第二個(gè)不定式符號(hào)常常省略。如: She has learned to read and write. 她已經(jīng)學(xué)會(huì)了讀和寫。 考點(diǎn)小練 1.— I didn’t hear you e in just now. — That’s good. I tried the baby up. A. to wake B. not to wake C. waking D. wake music makes us . A. want dance B. want to dance C. to want dance D. to dance all of us pull to