SHALL AND WILL.
These auxiliaries have distinct meanings, and, as signs of the future, they are interchanged thus:
PRESENT TENSE; BUT SIGNS OF THE INDICATIVE FIRST-FUTURE.
1. Simply to express a future action or event:—
Sing. I shall, thou wilt, he will; Plur. We shall, you will, they will.
2. To express a promise, command, or threat:—
Sing.: I will, thou shalt, he shall; Plur. We will, you shall, they shall.
IMPERFECT TENSE; BUT, AS SIGNS, AORIST, OR INDEFINITE.
1. Used with reference to duty or expediency:—
Sing. I should, thou shouldst, he should; Plur. We should, you should, they should.
2. Used with reference to volition or desire:—
Sing. I would, thou wouldst, he would; Plur. We would, you would, they would.