I" play soccer" last Sunday.(就双引号提问）

I often watch them_____(play)soccer last year.急吖 I play soccer last Sunday.(就双引号提问） I often play __.(a soccer ,the soccer,soccer ) i saw these boys _____(play)soccer last weekend谁知道该加什么, I play soccer after school.（对play soccer提问） I like soccer but I c ____ play soccer I like soccer but I c ____ play soccer 选择填空 （）1.--I often saw then ( ）on the playground last year A.play soccer B.playing选择填空（）1.--I often saw then ( ）on the playground last yearA.play soccer B.playing soccer C.to play soccer（）2.（）pollution is harmful t i also can play soccer,有错吗 I cam play soccer 改为一般疑问句 I used to play soccer 反义疑问句 I'd like ____ (play) soccer I used to () (play) soccer,But now i play basketball He learnt to play soccer last month.改为一般He learnt to play soccer last month.改为一般疑问句, I learn --------(play/to play)soccer form my PE teacher 为什么用I can play soccer 而不用I can play the soccer I play soccer and I am on the swim team I often watched them play soccer last year我知道watch sb do 但为什么不用played do一定是动词原型吗?