高二選修7 unit 2 robots-grammar-文庫吧
2024-10-28 16:57 本頁面
【正文】 e book is said to have been translated into many languages. （ 復(fù)合謂語 ） She was the first woman to have been elected to such a post. （定語） 三、不定式的主動形式表示被動 1．在 there be結(jié)構(gòu)中。 例如： There is a lot of homework to do． (也可用 to be done) There is no time to lose (to be lost). 三、不定式的主動形式表示被動 2．在“ n／ pron + be + adj + to do”結(jié)構(gòu)中。常用的形容詞有 easy， difficult， hard，impossible， nice， pleasant， light， heavy，interesting， important， expensive， cheap， fit， dangerous等。 例如： He is hard to convince. He is an impossible person to work with． “ too— to do。 enough…to…” 結(jié)構(gòu)中。 如： The problem is too difficult to work out (to be worked out)． The house is big enough to live in. 4．在“ with+n+to do”結(jié)構(gòu)中。 例如： With nothing to do， he lay in bed． With so many exercises to do， I can‘t go to the cinema． 5．當(dāng)不定式的邏輯主語在句中出現(xiàn)時。 例如： I have a letter to type today． (I是 to type的邏輯主語 ) Do you have anything to say? (you是 to say的邏輯主語 ) 6．當(dāng)不定式隱含在 for sb to do結(jié)構(gòu)中 時。 例如： This is the best book to read (=for us／you to read)． The important thing to do is to lock the door when we leave the house． 7．一些作表語用的不定式的主動形式。 常見的這類動詞有 let(出租 )， rent， hire， blame等。
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