What is meant by the "perfect" tense of verbs?

Dec 14, 2016

"perfect" (with respect to verbs) means that the verb action is complete or finished at the time of the remainder of the sentence.

Explanation:

Examples:
Past Perfect
$\textcolor{w h i t e}{\text{XXX}}$The children had gone to bed before their father got home.

Present Perfect
$\textcolor{w h i t e}{\text{XXX}}$I have finished my supper; may I go and watch TV?

Future Perfect
$\textcolor{w h i t e}{\text{XXX}}$By the time our sun collapses, all life on earth will have ceased to exist.