英语句子变复数,变单数.①My pen is red.②Is his cat.③What are those?④these are elephants.⑤We are teachers.⑥They are gils.

英语句子变复数,变单数.①My pen is red.②Is his cat.③What are those?④these are elephants.⑤We are teachers.⑥They are gils. 英语复数变单数的句子They are English teachers. 英语句子中单数变复数主语的人称也变复数吗 名词单数变复数的句子五个 单数变复数,复数变单数 英语名词单数变复数的答案 英语单数句变复数句 英语名词什么时候单数变复数? 英语单数变复数的规律, 名词单数变复数 怎么单数变复数? 单数变复数规则 英语句子单数变复数He has a round face.(变为复数形式） 句子的单数变复数怎么变?名词单数变复数怎么变?请讲具体点,最好带有练习. 英语的名词单数变复数怎样变 英语中第三人称单数变复数咋变 英语~①This pen is in the pencil-box（变复数）①This pen is in the pencil-box（变复数）②Those red watches are Jim's（变单数）③She is a good girl（变感叹句）④Her friend goes to shanghai every month（变否定句,一般 this your book改复数,单复数句型各变疑问句.she is my mother.变疑问句,否定回答 tthose are my toys变问句,变单数句子.单数变疑问句these are his rules变问句.变单数.单数变疑问句