助动词 does 提前 后面用 动词原形 she is wear 是错误的 she wears sth 或者 she is wearing sth 再问: shei s in a yellow sweater today 这句话什么意思 再答: be in = wears 他今天穿一件黄色的运动衫 再问: my sister get a pen to my father 为什么get 不加s to不用from 回答了就给分 再答: 这里错了 要加s的 第三人称单数 my sister gets a pen to my father 或者用过去式 my sister got a pen to my father 再问: 为什么不用fron 而用to 再答: 应该用from my sister gets a pen from my father my father gives a pen to my sister