小學英語單數的句子變成復數的句子

　　把單數的句子成復數的句子：

　　變法是把能變成復數的詞變成復數，但a或an要把去掉。特殊疑問

　　詞、形容詞、國家及地點通常不變。

　　Eg:把下列句子變成復數

　　1, I have a car ----we have cars

　　2, He is an American boy. ----They are American boys

　　3, It is a car ----They are cars

　　4, This is an eraser ----These are erasers

　　5, That is a backpsck -----Those are backpacks

　　6,I'm an English teather ------We are English teathers

　　7,It's a new shirt---- They are new shirts

　　8,He's a boy ----They are boys

　　9,She's a singer ------They are singers

　　10,What's this in English?---- What are these in English?