不带 to 的动词不定式通常有下面十八种情况(4 页)Good is good, but better carries it.精益求精，善益求善。不带 to 的动词不定式通常有下面十八种情况动词不定式通常带有符号 to，叫做带 to 的动词不定式(infinitive with"to")，动词不定式有时不带符号to，叫做不带 to 的动词不定式(infinitive without"to") 不带 to 的动词不定式通常有下面十八种情况 一、与助动词 do 连用构成谓语动词的否定、疑问和强调形式。 (1)he does not work in the factory. (2)Does she work here？ (3)I did not see her yesterday. (4)Did they take you home? (5)He does look tired. (6)They did come yesterday.二、与情态动词连用构成复合谓语 (1)I can speak English. (2)May I come in? (3)Dare he swim across the river? (4)We must work,and above all we must believe in ourselves. (5)Could you do something for me? (6)You shall go at once. (7)He might be working in the office now. (8)I don't think you need have come yesterday. (9)They should be here by now. (10)If you will go into the fields and turn over a few big stones,you are sure to uncover a city of ant"people". 但与情态动词 ought(to)连用时通常带 to，和 used(to)连用时必须带 to三、在表示感觉的动词如：see,look.at,watch,hear,listen to,feel,notice,observe,perceive(觉察，看见),behold（书面用语“见到”）等后用作宾语补足语的动词不定。 (1)I saw her cross the street. (2)He looked at the children walk up the hill. (3)I watched the boy cross the road. (4)I heard her play the piano. (5)He listend to us talk. (6)I felt the floor move. (7)I didn’t notice you enter. (8)He observed someone open the door. (9)I did not perceive anyone come in. (10)He beheld her go out. 但除 notice,watch 不用被动语态外，上述动词变成被动语态时，其后的动词不定式就不省 to (1)She was seen to cross street. (2)She was heard to play the piano.四、使...
