The clause <em>who bought the coat </em>is used as an adjective subordinate clause because it modifies the noun <em>the man.
</em>What man forgot his umbrella? (The one) who bought the coat.<em>
</em>
He would benefit from seeing a live performance because he could then see experienced actors play out the emotions, therefore giving him a more in-depth look on the feelings. This would make his essay much more fleshed out and analytical.
5 is being, 6 is has been, 8: has been done, have been built, has been put on, is done, the walls are being painted, fitted, is, fit
Explanation:
relative clause
it modifies noun phrase by some grammatical tools
example
my friend who is coming from America is coming to the dinner
here who is used to indicate the noun phrase
subject verb agreement
A subject and a verb must agree, even when other words or phrases come between them.
example
The flock of geese is flying south for the winter.
The subject is flock, so the verb should be is flying.