Driving fast is dangerous.	It is dangerous to drive fast.
She is too young to get married.	She isn't old enough to get married.
He couldn't help noticing that she was upset.	It didn't escape his notice that she was upset.
The prospect of a short holiday fills me with pleasure.	I look forward to (having) a short holiday.
It's quite unnecessary to answer his letter.	Answering his letter is quite unnecessary/pointless.//There's no point (in) answering his letter.
It's quite unnecessary to answer his letter.	It's no use answering his letter.
It was difficult for her to do it.	She had difficulty (in) doing it./She could hardly do it./She found it difficult to do.
Whould you be so kind as to pass the salad?	Do/Would you mind passing the salad?//Could you pass the salad, please?
It took me an hour to do my hair.	I took my hour to do my hair./Doing my hair took (me) an hour.
It took me an hour to do my hair.	I spent an hour doing my hair/on my hair.
Do you intend to go/going to her party, tomorrow?	Will you be/Are you thinking of ...going to her party tomorrow?
It's out of the question to expect me to apologise.	I have no intention of apologising./Fancy even suggesting that I apologise!
It's out of the question to expect me to apologise.	I don't mean/intend to apologise.//I most certainly won't apologise.
Mary objects to lying.	Lying is something that Mary objects to/hates/loathes.
I'm not in the habit of waking up early.	I'm not used to waking up early.
He made me open my suitcase.	I was made to open my suitcase.
I can't remember reading this novel.	I have no recollection of reading this novel.
It's a waste of time trying to make yourself understood.	It's not worth trying t make yourself understood.