变否定句!They can take these books to be classroom

变否定句!They can take these books to be classroom they can swim 变一般疑问句和否定句 You can take some things to your sister变否定句 I can't find my glasses 变疑问句怎么变大神们帮帮忙否定句变疑问句怎么变? they can play sports at school every day变否定句 They will fly kite.变否定句 They should cook vegetables变否定句 They like their families.变否定句 They can take these books to be classroom.（变一般疑问句,并作肯否定回答） SHE CAN SING WELL. [变否定句】 It can open怎么变否定句 They can walk.改成否定句 What do they need?变否定句怎么变 1.We have English books.变否定句 2.I needmath book.变一般疑问句 3.Does he have a black pen.用they改写 4.DO they have watches?变单数形式 5.I can take this book to my brother.变为一般疑问句 I can draw 变否定句和一变疑问句 they can do a lot of things.变成否定句,和一般疑问句注意a lot of 要变！ you'd better take out the trash.(变否定句) must肯定句变否定句如何变must肯定句变否定句用mustn't还是needn't