i can not catch the teacher when he speaks fast 这句话有没有语法错误?

I can catch the i can not catch the teacher when he speaks fast 这句话有没有语法错误? I am afraid that I can not catch 和I am afraid I can not catch thant哪个正确 I could not catch Where can I catch the bus?怎么回答,是什么意思 I'm afraid I can not catch you,just leave me alone Your telephone number again.I ______ you.A.don’t catch B.didn’t catch C.can’t catch D.was not catching Would you mind speaking more (clear)?I can not catch you.3Q What can you catch but not throw? l can not catch her 什么意思 我听不清楚 一般情况下都用“I did not catch.”而很少用“I can't hear clearly.或者是i cant catch i should have been there,but i could not catch the bus 英语翻译DREAMERhow can i flyhuo can i catch the skyalthough no wingsi can fly with my dreams I hate that i can't catch the time to meet with you.是什么意思 I can not stand the t_weather? THE THINGS I CAN NOT CHANGE怎么样 I can not believe the sign of I can not stand the pain any