一、写出下列名词的复数形式
box ________ fish ________ watch _________ bus ________ boy ________
city ________ tooth _________ sheep ________
二、写出下列动词的第三人称单数形式
get ________ teach ________ go ________ study ________ fix _______ have ________
三、写出下列动词的ing形式
play __________ swim ___________ write __________ be _________ die___________
四、写出下列动词的过去式
look _________ live ________ stop _________ study _________ have _________ see _________
五、写出下列形容词的比较级
strong ___________ fine ________ big _________ heavy _________