doing → being done
having done → having been done
Saving is easier than doing.
His coming here will be a great help.
It is no use waiting here, he has left.
There is no getting along with him.（简直无法和他相处）
His job is keeping the hall clean as possible.
Seeing is believing.
He admitted taking the book.
I do mind your smoking here.
admit, appreciate, avoid, complete, delay, deny, enjoy, fancy, finish, mind, practice, resent, risk, suggest, allow, permit...
特注：以allow为例：allow + doing sth（动名词作宾语）。但可以：Allow sb to do sth（不定式作宾补）。
这类动词常见如 advise, allow, permit, recommend, etc.
He left without saying goodbye to us.
I'm looking forward to meeting you.（to 在这里是介词）
reading room swimming pool walking stick
His leaving is a great loss.
Mother dislikes my (me) working late.
John's having seen her did not make her worried.
I am thinking of setting a new dictionary.（以后）
He never talked to me about his having been in Paris.（以前）
He doesn't like being flattered.
I heard of his having been chosen to be the coach of the team.
（1）在 begin，start，continue 等词后用动名词或不定式区别不大。
He began writing / to write in 1980.
He stopped talking. 停止讲话。
He stopped to talk. 停下来开始讲话。
Please remember to post the letter. 记住寄走这封信。
I remember posting the letter. 我记得寄出了这封信。
I forgot to lock the door yesterday. 昨天我忘记锁门了。（未锁）
I forgot telling him the news. 我忘了我曾告诉过他这个消息。（做过的事情忘记了）