I climb mountains tomorrow.We often clean our rooms on Sunda

不全对,应该是：I am going to / will climb mountains tomorrow.We often clean our rooms on Sundays.
再问： climb 和 clean 还加ing吗
再答： 不加 因为1 be going to / will 后接动词原形 2 一般现在时，主语是复数WE ，实义动词作谓语 不用加S