单数句复数句 my father is a teacher.单数句变复数句，不好意思太匆忙了

单数句复数句 my father is a teacher.单数句变复数句，不好意思太匆忙了 单数句变复数句,复数句变单数句.It is a bus____________________ They are [my sisters].对括号部分提问Is this your brother?[改为复数]How is he [改为复数]That is a ruler[改为复数]These aren't oranges.[改为单数形式】What color are the keys?[改单数句Bruce is my father and Ann is my mother her father and mother are teachers.（改为her father and mother are teachers.（改为同义句）this is my brother.（改为复数形式）those are his sisters.（改为单数形式） My favorite lunch (are,is) fruit and cheese.该句谓语用单数还是复数?为什么? ls this your photo复数.those are ld cards单数.they are linda's brothers单数.this is a long ruler否定句.shie's my aunt一般疑问句.they have some earsers否定句.she's my mother复数,ls your father's name jack同义句. This is his book.These________复数句 My father goes to work by car.My father______by car 否定句 单数句变复数句,复数句变单数 where is your father?(改为复数）Are those women teachers?(改为单数）to,school,and,Helen,our,Jack,welcome(连词成句）I'm fifteen(对画线提问)---------My sister is fine (就划线部分提问）---------- This is my new backpack.改为复数句 They're my aunts.改为单数句 Those are my CD.(对my CD提问） My father is watching Tv(否定句) This is my father()改为否定句 My father is fine 变为否定句 he is my father否定句 My father is American.改同义句 They are(my father and mother) 对括号部分提问 These are Lucy is maps 改为单数句 1.将下列单数句变成复数句 1.Is that your family?2.Yes,it is.1.Who is he?2.He is my brother. This is my sister(变为复数句)