【全集】李咏梅 · 初中英语课程 + 讲义 ★『初一英语赢在起跑线 』

do，does

did

will＋do

would＋do

am/is/are＋doing

was/were＋doing

will＋be＋doing

wouId＋be＋doing

have/has＋done

had＋done

wiII＋have＋done

wouId＋have＋done

have/has＋been＋doing

had＋been＋doing

will＋have＋been＋doing

wouId＋have＋been＋doing

am，is，are，was，were，be，been，being，do，does，did，have，has，had，

shoIl，may，can，wiIⅠ

shought，mought，cought，would

have，to

has，to

had，to

ought， to

wouId，ratter

had，better

（need，dark，may）