1.walking是对的,was 和 were 后面可以放-ing
2.sees变成saw,因为这是last Sunday了
3.were变成was,he she it 后面放was (past) / is (now)
4.decides变成decided,这是past tense
5.his变成her,主角是女的
6.walks变成walked,这是past tense
7.bought变成buy,虽然这是past tense,但是to后面要放回原本字(但有些特殊情况to后面可以放-ing)
8.has是对的
9.tell变成told,again past tense
10.kind变成kinded(我也差点看不出来)
谢谢~