English, asked by prernasinghmail1397, 1 year ago

what is a verb tense in this?
Up until recently, the history of human-powered flight has not improved

Answers

Answered by Aashka2019

0

it is present perfect tense..

Previous Question

Next Question

Similar questions

English, 6 months ago

Whom do you see in the picture...

English, 6 months ago

Please Select The Correct Model : when he was young,he________swim very well.he won medals and Championship!*। (options) 1) had to.......... 2) Can.......... 3) Could......... 4)none Of the above...

Hindi, 6 months ago

Essay on Shikasha ka madhyam - matr bhasha...

Chemistry, 1 year ago

Explain why carbon forms a covalent bond give 2 reasons why carbon form large no of compound...

Math, 1 year ago

A binary star system consists of two stars a and b which have time period ta and tb...

Social Sciences, 1 year ago

10 points on awareness of drought...

Math, 1 year ago

divide 84 in two parts such that half of the first part is 4 less than that the hal plzzzzzz slove fast as you seee...

Psychology, 1 year ago

How much points do we need to acquire to start message option...