is复数are  this复数these  that复数those it复数they fish复数fish  sheep复数sheeptomato复数tomatoes potato复数potatoes goose复数geese    foot复数feet1.It’s an apple. 变复数是they are apples.2.This is a rabbit变复数是：  These  are  
cheap反义词expensive  long反义词shortnew反义词old      big反义词small pretty同义词beautiful   that’s全写that is aren’t全写are not   they’re全写they are can’t全写can not   we’ll全写we will one序数词first     first基数词one two序数词second  second基数词two three
变一般疑问句是把is,are提到句首并大写，把my变your,句末加问号。 如：This is my  school.    Is  this  ...