simple future tense

Simple Past Tense

辨析sometime, sometimes,...

辨析have gone to, have b...

辨析except, except for, ...

辨析a few, few, a little...

辨析used to do, be used ...

英语秀—&mda...

辨析at the end of, by th...

辨析：borrow,lend,keep

There be句型的复习

英语秀—&mda...