小学英语基础知识急!写出下列单词的三单形式：catch,watch,study,carry,like写出下列单词的复数形式：potato,tomato,foot,tooth,mouse,man,sheep,Chinese写出下列单词的比较级：warm,short,long,cool,cold请用同样形式回答,谢
问题描述：
小学英语基础知识急!
写出下列单词的三单形式：
catch,watch,study,carry,like
写出下列单词的复数形式：
potato,tomato,foot,tooth,mouse,man,sheep,Chinese
写出下列单词的比较级：
warm,short,long,cool,cold
请用同样形式回答,谢
答
catches watches studies carries likes
photos tomatoes feet mice men sheep Chinese
warmer shorter longer cooler colder
warmest shortest longest coolest coldest