Verb tense places an event in the present, the past, or the future.
As an object approaches the speed of light, its mass
rises.
In 1887, Albert Michelson and Edward Morley compared the
speed of light in the direction of the earth's motion with that at right angles
to the earth's motion.
--Stephen Hawking, A Brief History of Time
We will calculate our results to the nearest
tenth.See also Present Perfect Tense, Past Perfect Tense, and Future Perfect Tense.
