I think it's Inter connection network, not sure
The Relative Clause is “who are five in number”. It is a type of dependant clause (it need the main clause in order to convey its meaning properly) that has the same function of an adjective; that is to say, it modifies a noun “friends”.
As I was going up the stair, I saw a man that wasn't there.
He wasn't there again today! Oh, how I wish he'd go away
Answer:
He might write a book/ is writing a book (is or be writing ?)
4/ He might he have writen this book (writen or wrote ?) / he might he has been writing when...
5/ It may rain/ it may be raining/ it may have rain / it may has been raining
Explanation:
