（87高考）They would not allow him_________across the line. A.to risk going B.risking going C.for risk to go D.risk going
2.都可接賓語和賓補(bǔ)，形式卻不同
某些動詞如forbid,advise,allow,permit,admit,consider等直接接動詞作賓語時要用動名詞，但接賓補(bǔ)時 ，賓補(bǔ)要用不定式。如： We forbid smoking here.（賓語）We forbid you to smoke here.（賓補(bǔ)）You are forbidden to smoke here.（主補(bǔ)）
3.賓語不同、語態(tài)不同，意義卻相同
有些詞如need,require,want,deserve等后可接不定式（要用被動形式），可接動名詞（要用主動形式表被 動意義），可與worth,worthy一并記憶。兩種形式意義相同。如：The room requires to be cleaned/cleaning.
（85高考）This sentence needs______________. A.an improvement B.improve C.improving D.improved
4.只接不定式作賓語的詞和詞組
只接不定式作賓語的詞和詞組有：decide,expect,refuse,wish,hope,order,promise,pretend,offer,happen,seem,make up one's mind,used,be about,be able,have等。如：（89高考）She pretended_______me when I passed by. A.not to see B.not seeing C.to not see D.having not seen
5.只接動名詞作賓語的詞和詞組
只接動名詞作賓語的詞和詞組：mind,risk,avoid,enjoy,escape,keep,suggest,appreciate,practise,delay,finish,feel like,look forward to,can't help,keep(on),miss,be usedto,excuse,be
2.都可接賓語和賓補(bǔ)，形式卻不同
某些動詞如forbid,advise,allow,permit,admit,consider等直接接動詞作賓語時要用動名詞，但接賓補(bǔ)時 ，賓補(bǔ)要用不定式。如： We forbid smoking here.（賓語）We forbid you to smoke here.（賓補(bǔ)）You are forbidden to smoke here.（主補(bǔ)）
3.賓語不同、語態(tài)不同，意義卻相同
有些詞如need,require,want,deserve等后可接不定式（要用被動形式），可接動名詞（要用主動形式表被 動意義），可與worth,worthy一并記憶。兩種形式意義相同。如：The room requires to be cleaned/cleaning.
（85高考）This sentence needs______________. A.an improvement B.improve C.improving D.improved
4.只接不定式作賓語的詞和詞組
只接不定式作賓語的詞和詞組有：decide,expect,refuse,wish,hope,order,promise,pretend,offer,happen,seem,make up one's mind,used,be about,be able,have等。如：（89高考）She pretended_______me when I passed by. A.not to see B.not seeing C.to not see D.having not seen
5.只接動名詞作賓語的詞和詞組
只接動名詞作賓語的詞和詞組：mind,risk,avoid,enjoy,escape,keep,suggest,appreciate,practise,delay,finish,feel like,look forward to,can't help,keep(on),miss,be usedto,excuse,be