It seems like it's going to get hot today. 今天看起来会很热。 (1) hot 换为 cold —> It seems like it's going to get cold today.今天看起来会很冷。 (2) 改为疑问句 —> Does it seem like it's going to get hot today? 今天看起来会很热吗？ (3) 把 get hot 改为 rain，再把 today 换成 soon —> It seems like it's going to rain soon. 看起来很快会下雨。 I go up by the elevator. 我搭电梯上去。 (1) 主语改为 he —> He goes up by the elevator. 他搭电梯上去。 (2) 改为否定句 —> I don't go up by the elevator. 我不搭电梯上去。 (3) 把第一句 he 为主语的句子前面加 I saw —> I saw him go up by the elevator. 我看见他搭电梯上去。