国产成人v爽在线免播放观看,日韩欧美色,久久99国产精品久久99软件,亚洲综合色网站,国产欧美日韩中文久久,色99在线,亚洲伦理一区二区

12. 動詞的語態(tài)
?
   語態(tài)有兩種:主動語態(tài)和被動語態(tài)。
   主語是動作的發(fā)出者為主動語態(tài);主語是動作的接受者為被動語態(tài)。
  1)若賓語補足語是不帶to 的不定式,變?yōu)楸粍诱Z態(tài) 時,該不定式前要加 "to"。此類動詞為感官動詞。
feel, hear, help, listen to, look at, make, observe, see, notice, watch


   The teacher made me go out of the classroom.
--> I was made to go out of the classroom (by the teacher).
   We saw him play football on the playground.
--> He was seen to play football on the playground.


  2)情態(tài)動詞+ be +過去分詞,構(gòu)成被動語態(tài)。
   Coal can be used to produce electricity for agriculture and industry.













 學(xué)習(xí)啦--英語語法大全