+DEFINITIONS+.
+Mode is that modification of the verb which denotes the manner of asserting the action or being+.
+The Indicative Mode asserts the action or being as a fact+. [Footnote: In "Are you going?" or "You are going?" a fact is referred to the hearer for his admission or denial. In "Who did it?" the fact that some person did it is asserted, and the hearer is requested to name the person. It will be seen that the Indicative Mode may be used in asking a question.]
+The Potential Mode asserts the power, liberty, possibility, or necessity of acting or being+.
+The Subjunctive Mode asserts the action or being as a mere condition, supposition, or wish+.
+The Imperative Mode asserts the action or being as a command or an entreaty+.
+The Infinitive is a form of the verb which names the action or being in a general way, without asserting it of anything+.
+The Participle is a form of the verb partaking of the nature of an adjective or of a noun, and expressing the action or being as assumed+.
+The Present Participle denotes action or being as continuing at the time indicated by the predicate+.
+The Past Participle denotes action or being as past or completed at the time indicated by the predicate+.
+The Past Perfect Participle denotes action or being as completed at a time previous to that indicated by the predicate+.
+Tense is that modification of the verb which expresses the time of the action or being+.
+The Present Tense expresses action or being as present+.
+The Past Tense expresses action or being as past+.
+The Future Tense expresses action or being as yet to come+.
+The Present Perfect Tense expresses action or being as completed at the present time+.
+The Past Perfect Tense expresses action or being as completed at some past time+.
+The _Future Perfect Tense _expresses action or being to be completed at some future time+.
+_Number _and _Person _of a verb are those modifications that show its agreement with the number and person of its subject+.
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