做主语：
Seeing is believing
Teaching you is my job.
Looking out is necessary for us when crossing the road.
作宾语：
I like teaching English.
I like swimming in a river in summer.
Have you finish doing the job?
来6句,不同的动名词做主语或者宾语,各3句最好·
做主语：
Seeing is believing
Teaching you is my job.
Looking out is necessary for us when crossing the road.
作宾语：
I like teaching English.
I like swimming in a river in summer.
Have you finish doing the job?