[Sidenote: _Use of_ which.]

99. Examples of the use of interrogative _which_:--

_Which_ of these had speed enough to sweep between the question
and the answer, and divide the one from the other?--DE QUINCEY.

_Which_ of you, shall we say, doth love us most?--SHAKESPEARE.

_Which_ of them [the sisters] shall I take?--_Id._

As shown here, _which_ is not inflected for gender, number, or case;
it refers to either persons or things; it is selective, that is, picks
out one or more from a number of known persons or objects.


[Sidenote: _Use of_ what.]

100. Sentences showing the use of interrogative _what_:--

Since I from Smaylho'me tower have been,
_What_ did thy lady do?--SCOTT.

_What_ is so rare as a day in June?--LOWELL.

_What_ wouldst thou do, old man?--SHAKESPEARE.

These show that _what_ is not inflected for case; that it is always
singular and neuter, referring to things, ideas, actions, etc., not to