有see sb do sth ,那么有saw sb did sth 那么这句话I see him play baseball ,这里的play不用加S了吗

有see sb do sth ,那么有saw sb did sth
那么这句话I see him play baseball ,这里的play不用加S了吗

没
see sb do sth 是省略了to 句式是see sb (to) do sth
to 后面加原形 所以应该saw sb do sth