現(xiàn)在進行時的被動語態(tài)
定義：現(xiàn)在進行時的被動語態(tài)表示此時此刻某事正在被做.
例如：
The sports meeting is being held in our school.
我校正在舉行運動會.
Another bridge is being built over the Changjiang River.
長江上正在修建另一座大橋.
構成：be + being+過去分詞
例如：
A number of Dongfeng trucks are being shipped abroad.
一批東風卡車正被運往國外.
用法：
1)“be being done” 中的動詞be應隨主語(sing./ pl.)作相應的變化.
2)將現(xiàn)在進行時的主動語態(tài)變?yōu)楝F(xiàn)在進行時的被動語態(tài)的關鍵是：把be doing變?yōu)閎e being done.
例1.The students are cleaning the classroom now.
→The classroom is being cleaned now.
現(xiàn)在學生們正在打掃教室.(are cleaning變?yōu)閕s being cleaned)
例2.The boy is counting some eggs.
→Some eggs are being counted.
那男孩正在數(shù)蛋.(is counting 變?yōu)?are being counted)
你也可以給他們對比講一下：現(xiàn)在完成時
定義：現(xiàn)在進行時的被動語態(tài)表示此時此刻某事正在被做.
例如：
The sports meeting is being held in our school.
我校正在舉行運動會.
Another bridge is being built over the Changjiang River.
長江上正在修建另一座大橋.
構成：be + being+過去分詞
例如：
A number of Dongfeng trucks are being shipped abroad.
一批東風卡車正被運往國外.
用法：
1)“be being done” 中的動詞be應隨主語(sing./ pl.)作相應的變化.
2)將現(xiàn)在進行時的主動語態(tài)變?yōu)楝F(xiàn)在進行時的被動語態(tài)的關鍵是：把be doing變?yōu)閎e being done.
例1.The students are cleaning the classroom now.
→The classroom is being cleaned now.
現(xiàn)在學生們正在打掃教室.(are cleaning變?yōu)閕s being cleaned)
例2.The boy is counting some eggs.
→Some eggs are being counted.
那男孩正在數(shù)蛋.(is counting 變?yōu)?are being counted)
你也可以給他們對比講一下：現(xiàn)在完成時