初中八种时态的构成及常用时间状语对照表时态谓语动词形式常用时间状语注意事项一般现在时do/doesalways,usually,often,seldom,every,howoften,onweekends,onceaday,twiceaweek,threetimesayear①注意动词单三的变化；②do/does构成的疑问句和否定句。...

时间:2024-11-04 07:02栏目:行业资料