句型轉換:1.This is my brother.(一般疑問句)2.That's her sister.(否定句)3.Is this his parent?(改為複數形式)

句型轉換:1.This is my brother.(一般疑問句)2.That's her sister.(否定句)3.Is this his parent?(改為複數形式)


1,Is this your brother
2,This isn't her brother .
3,Are these their parents



this that的複數


these這些those那些



總結名詞變複數的規則:不規則變化:this that is


1.一般情况下加s,如birds,persons,dogs,apples等;
2.詞尾是ch,sh,s,x等加es,如dishes,classes,boxes等;
3.詞尾是輔音字幕加y,要將y變為i再加es,如:families,babies;
4.詞尾是o,加es,如:heroes,tomatoes;
5.詞尾是f或fe,需要將f或fe變為v再加es,如:leaf - leaves,knife - knives.



This is my family photo.改為複數形式


These are my family photoes