I hear there speak going to be a football  match at the school playground this afternoon.为什么上面那个句子用speak going,用is going可以吗?

I hear there speak going to be a football match.这句话正确吗?speak改为is行吗? Speak l____,I can't hear you I hear some_______________(America)can speak Chinese very well Please speak ___(clear).I can't hear you Speak louder.I can't hear you_________(clear). Would you speak louder?I can't hear you. ______(speak)loudly,I can't hear you. I can't hear you_____will you speak louder,please(clear) Please speak loudy.I can't hear you c Speak for yourself!I can hear myself just fine. Speak for yourself!I can hear myself just fine.中文翻译. speak for yourseif I can hear myaelf just finw. I hear he can ___(speak) five languages I hear there are some (g )in the forest.Thanksgiving Day is a (f )in the West. I hear there speak going to be a football  match at the school playground this afternoon.为什么上面那个句子用speak going,用is going可以吗? 英语翻译翻译：Could you speak up a little?Speak for yourself!I can hear myself just fine. 1.Don't speak to a _____.(strange).2.I can't hear you.Please speak a little _______(loud). you are hear there's nothing I feel