Now, he will be doubly careful. 
From now on, he will take extra care.
He has no idea, does he?
The men are busy preparing the cloth.
It is necessary for kids to have expensive toys to play with.
Linguistic nationalists are pushing their english first measures as the top priority.
She is thrilled that they don't know where he is.
I have never had a chance to study any books.
The man is petting his cat.