i just by watch要不要加ing

i just by watch要不要加ing I just stop by! i am rich 要不要加“a” I’m后面要不要加is I hope dream will come true.和I hope you will come true your dream.哪个错by listen to English broadcasts and watch English TV programmes watch 要不要改成watching watch video要不要加s i like 后面的动词要不要加ing I like eating cakes eat要不要加ing? I am stranger here对吗?要不要加a do something what i want后面要不要加to Can I play now的play要不要加ing I just want you by my ‘I’ve just arrived by train中的 i just drop by to say hello I had a dinner and watch a movie there.这个句子是否正确?watch要不要用过去式?there 前面要不要加一个介词,比如:in.这个句子的过去式好象已经被had占了吧?以前好象也听说过的,那么watch应该就不用变成 做某事用多少时间用英语怎么说比如 i watch tv thirty minutes.还是应该说 i watch tv for thirty minutes.要不要加上for? .Just to watch your smile before I close my eyes. 时间状语从句前后究竟要不要加逗号?As I went by, he was . When I arrived, they were.这两句里逗号可以去掉吗?He was singing when I . 这句when前边需要加上逗号吗?