四年级be动词专项练习

be动词用法歌：我用am,你用are，is连接他，她，它。单数名词用is，复数名词全用are。变疑问，往前提，句末问号莫丢弃。变否定，更容易，be后not莫忘记。疑问否定任你变，句首大写莫迟疑。一.用括号中适当的词填空。1.I________(am,are,is)fromAustralia.2.She_______(am,are,is)astudent.3.JaneandTom_________(am,is,are)myfriends.4.Myfatherandmother_______(am,is,are)verybusyeveryday.5._______(Are,Is,)youateacher?6._______(am,is,are)theboxonthebed?7.Where_____(be)thegirl.8.He_____(be)aboy.9.Mymother____(be)isateacher.10.____(be)tomyourbrother?11.Howold_____(be)you?12.Who_____(be)theboy?13.They_____(be)allstudents.14.We______(be)goodfriends.15.____(be)thisyourruler?16.LilyandLucy_______(be)girls.17.Yourteacher______(be)Emma.二：把下列句子变成否定句和疑问句并作出肯定和否定回答。1.Iamateacher.否：疑：肯定回答：2.Thisismymother.否：疑：否定回答3.Itisagoodbook.否：疑：肯定回答4.Lilyandlucyarefriends.否：疑：否定回答5.Heismybrother.否：疑：肯定回答6.Hisnameisjerry.否：疑：否定回答7.Sheisverygood.否：疑：否定回答