(完整word版)betodo的九种用法.doc

1、“ Be+ 不定式动词”在不同情况下，可以表示很多种不同的语义。下面便是其中九种：表示坚决的命令。例如：1.Thisnaughtyboyis tostay hereuntil the class is over.2.Noone is toenterthisbuildingwithout the permission of the securityguard.表示“计划”或“安排的事项”。例如：3. Bettyis tobe marriedsoon.4. An insurance agent is to meet us this afternoon.表示“可能性”。例如：5. Areyoutop

2、aythedebtforyourwife?6. The lovely puppy is nowhere to be found.表示“意图”或“打算”。例如：7. If youare tobe thereontime,youhadbetterhurry.8. If all of us are to remain friendly, we must be sincere with one a nother.表示“应该”。例如：9. You have done so well. You are to be rewarded.10. Such nasty questions are to be av

3、oided.表示“不可避免”。例如：11. Annewas wonderingwhatwas tobecomeofher boyfriend,Tommy.12. The murdererwas sentencedtolifeimprisonmentandwas never tosee hisfamilyagain.表示“假设”。例如：13. If I weretodoit, I woulddoit well.14. Even if you were to take a taxi now, you would not be able to arrive at your destination o

4、n time.有“期待将来”的含意。例如：15. The actualusefulnessof thenewlyinventedequipmentis stilltobe determined.16. Henrysappointmentwiththeaccountancyfirmis yettobe confirmed.有“必然会发生”的含意。例如：17. She did not think too much of her unkind acts. However, they were to be harmful to herself, too.18. Tom wasnt worried about his head injury, but it was to be trou blesome for him later.上述九种“Be+ 不定式动词”的语义，稍纵即逝，常常会不多留意，而且也不会时常用到它们，但是只要定睛注意，多少也会领略这些结构的个中味。1“ be goingto+动词原形”侧重说话人个人的意图和打算，“+动词be不定式”侧重受