16. Pick out adjective clause in the following sentences and say which noun o pronoun in the principal clause, it qualifies.
a) The man who broke into the room has been caught. b) All the blessings we enjoy come from God. Uneasy lies the head that wears a crown. c) d) Childhood is the time when good habits may be formed. e) The reason why he failed was not known. f) The plan I proposed was not accepted. g) There was no one but shed a tear over his misfortunes. h) Such men as are false to their friends should be avoided. i) They never fail who die in a great cause. j) I do not know the time when he will come. k) Those who work hard succeed. 1) There is no rose but has a thorn. m) All that glitters is not gold. ​