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What is the difference between extend and extent, when to use which one?
I am wondering, is there a quick rule to know whether one should use extend or extent? I know that it is "to what extend" (as in to what degree), "extent" (as in degree), "extend" (as in expand), but there are more forms and I am getting always getting confused between them.
"Extend" is strictly a verb.
She extends her hand in friendship.
He extended the antenna, hoping to get better reception.
"Extent" is strictly a noun.
To what extent does physical exercise relieve moodiness?
She walked the extent of the plank, then descended into the sea below.
