his sister换一种形式说

his sister换一种形式说 His sister is brave.换种说法 that is his sister改为复数形式 his sister This is his sister and that,s his son.怎么改为复数形式 Tony ()his grangparents with his sister yesterday.所填单词是visit的适当形式 This is his sister and that is his son.怎么改为复数形式 His sister,always is his sister. mike sometines -------(go)to the park with his sister.动词的适当形式填空 The doctor wanted to()his sister（）a farmer填marry的适当形式和介词 什么his sister his sister is sister的所有格形式 sister的复数形式 sister 第三人称单数形式 i can speak good english换一种说发 This his sister.these his brothers.改一般疑问句、做肯定否定回答,改为单数形式.急 ,,,these his brothers也改一般疑问句 关于英语单词换形式 he’s =?he's =? （完全形式）his （主格代词）是什么?