【正文】
。如果沒有必要就可以省略。其他的成分 (定語,狀語 ) 不變,句式也不能變。 Bell invented the telephone in 1876. The telephone was invented by Bell in 1876. The passive 主動語態(tài)變被動語態(tài)的結(jié)構(gòu)圖 : 主語 謂語動詞過去時(shí) 賓 時(shí)間狀語 主語 謂語動詞的過 過去分詞 時(shí)間狀語 Students’ book P70, part 4. 用所給動詞的正確形式填空: 1) The bike __________(fix) up by Xiao Ming yesterday. 2) Sunglasses __________ (use) for protecting people’s eyes. 3) A picture _________(put) up on the blackboard. 4) French___________ (speak) in France. 5) Teenagers should __________(allow) to choose their own clothes. was fixed are used is put is spoken be allowed