2"be＋up"代get up

　　　　3"be＋back(to)"代return to,come back to,go back to

　　　　4"be here (there)"代come(arrive,reach,get) here或go (arrive,reach,get) there等等

　　　　d)用"be＋介词短语"代终止性动词

　　　　1."be in/at +地点"代替go to /come to

　　　　2.用be in the army 代替join the army

　　　　3."be in/at +地点"代替move to

　　　　常用瞬间动词变延续性动词表：

　　　　1. have arrived at/in sw. got to/reached sw. come/gone/moved to sw.

　　　　→have been in sw./at…相应的介词

　　　　2. have come/gone back/returned → have been back

　　　　3. have come/gone out →have been out

　　　　4. have become → have been

　　　　5. have closed / opened→ have been close/open

　　　　6. have got up → have been up；

　　　　7. have died → have been dead；

　　　　8. have left sw. → have been away from sw.

　　　　9. have fallen asleep/got to sleep → have been asleep；

　　　　10. have finished/ended/completed → have been over；

　　　　11. havemarried → have been married；

　　　　12. have started/begun to do sth. → have done sth. ；

　　　　13. have begun → have been on

　　　　14. have borrowed/bought →have kept/had

　　　　15. have lost → haven't had

　　　　16. have put on →have worn

　　　　17. have caught /get a cold → have had a cold；

　　　　18. have got to know → have known

　　　　19. have/has gone to → have been in

　　　　20. have joined/have taken part in the league/the Party/the army

　　　　→have been a member of/ have been in/have been the Party's member/the league member/the soldier…

　　　　注意： 1.现在完成时不能单独与准确时间连用，(如表示过去的时间状语）

　　　　如yesterday(morning、afternoon),last(morning、afternoon)等，除非与for,since连用.

　　　　2.现在完成时往往同表示不确定的过去时间状语连用

　　　　,如already（肯定）, yet（否定，疑问）, just, before, recently,still, lately等:

　　　　He has already obtained a scholarship.

　　　　I haven't seen much of him recently (lately).

　　　　We have seen that film before.

　　　　Have they found the missing child yet ?

　　　　3. 现在完成时常常与表示频度的时间状语连用,

　　　　如often, sometimes, ever, never, twice, on several occasion等:

　　　　Have you ever been to Beijing

　　　　I have never heard Bunny say anything against her.

　　　　I have used this pen only three times. It is still good.

　　　　George has met that gentleman on several occasions.

　　　　4. 现在完成时还往往可以同包括现在时间在内的时间状语连用,

　　　　如now, up to these few days/weeks/months/years, this morning/week/month/year, just, today, up to present, so far等:

　　　　Peter has written six papers so far.

　　　　Man has now learned to release energy from the nucleus of the atom.liuxuepaper.com