I can play the football. I can play football. He can play violin. He can play the violin. May be he is a musician. Maybe he is a musician. A famous singer will sing in our school concert. A famous singer will sing in the our school concert.
I can play (the去掉) football. He can play(加the)violin. May(去掉空格)be he is a musician. A famous singer will sing (in改为at,at the concert固定词组(在音乐会上) ) our school concert.
i can play football. he can play the voilin. 乐器要加the maybe he is a musician. maybe是一个词,=perhaps;may be 是两个词,be是动词。一个句子不能有两个动词 a famous singer will sing in our school concert. 没看出错来……晕……难道是at?...