“Be+現(xiàn)在分詞”以組成進(jìn)行式時(shí)態(tài)(Continuous Tenses),如:
Tony's maid is washing his new car.
The children are playing in the field.
Samuel was eating when I came in.
We have been living here since 1959.
形式:
有不同的be動(dòng)詞,基本上為:
am,is,are,was,were,been,being,be。
被動(dòng)語(yǔ)態(tài):
被動(dòng)語(yǔ)態(tài)的基本結(jié)構(gòu)為be+done(Be動(dòng)詞+動(dòng)詞過(guò)去分詞)
一般現(xiàn)在時(shí):am/is/are+done
一般過(guò)去時(shí):was/were+done
一般將來(lái)時(shí):will+be+done
現(xiàn)在進(jìn)行時(shí):am/is/are+being+done
過(guò)去進(jìn)行時(shí):was/were+being+done
現(xiàn)在完成時(shí):have/has+been+done
過(guò)去完成時(shí):had+been+done
一般構(gòu)句:
代詞/專(zhuān)有名詞+be+普通名詞(如我們是親兄弟)
代詞+be+專(zhuān)有名詞(如我是愛(ài)麗絲)
代詞/專(zhuān)有名詞+be+物主代詞+普通名詞(如我是你的親姐妹)
當(dāng)“be”要在祈使句中出現(xiàn)時(shí),陳述句可借助助動(dòng)詞“do”,否定句必須在前加上助動(dòng)詞“don't”,如:
Don't be silly!
Do be obedient!
Be careful!
Don'tbe a fool!