3. That is applied to persons, to animals, and to things; as, This is the lady that was hurt. Here is the knife that I found.
4. What does not have its antecedent expressed; as, I know what [that which] you require.
5. When as is used as a relative it is generally preceded by such; as, We are such stuff as dreams are made on.
6. When but is used as a relative it has a negative force, equivalent to that not; as,
There is no fireside, howsoe’er defended,
But has one vacant chair.
Note.—Some relative clauses add another fact to the antecedent; as, He owns a farm, which he was given by his uncle.
Other relative clauses restrict the meaning of the antecedent; as, The boy that works succeeds.
Who and which are declined as follows:—
SINGULAR OR PLURAL.