There (be) is plenty of time.
There (be) are a lot of lakes.
I, your master, (command) command you.
My wife, not my friends, ( is waiting/are waiting) for me.
Early to bed and early to rise (make) make a man healthy, wealthy and wise.
Not only John but also his brothers (be) is to blame.
Two fifths of the members (be) are present.
Two plus two (be) is four.