1、 run climb walk jump speak It can _. walk She can _. run I can _. climb He can _. jump It can climb. Can you climb? Yes, I can. He can speak. Can you speak? Yes, I can. I can jump. Can you jump? No, I cant. be careful 和 look out 两者均有“小心、当心、注意” 之意，常用于祈使句或警告对方时的用语。 look out 语气较强，用于某种紧急的情况或者可能 出现危险的场合；
2、 be careful 是一般的警告或劝告用语，可用于各种情况。 can的特点 基本意思基本意思是“能、会”，是情态动词的重 要成员。 can的句式变化 can的肯定句式是：can+动词原形 sing swim ride a bike She can sing. He can swim. They can ride a bike. She can not sing. They can not ride a bike. He can not swim. 一、Say what the people in the picture can do. can的否定式 can + not+动词原形（常用缩写形式cant） 1. she can walk. she can not (cant) walk. 2. I can speak. ？ can的疑问句 can？ 只需将can提到主语的前面。 1. I can climb. ? 肯定回答和否定回答 肯定回答：Yes, 主语+can. Can you jump? Yes, I can. 否定回答：No,主语+cant. Homework read the story fluently and talk about something with your friend “what can you do”.
