Question

What would be the Present Progressive, Past Progressive, Future Progressive, Present Perfect Progressive, Past Perfect Progressive, Future Perfect Progressive (in the third person plural) of Improve

Answer 1

Present Progressive: They are improving

Past Progressive: They were improving

Future Progressive: They will be improving

Present Perfect Progressive: They have been improving

Past Perfect Progressive: They had been improving

Future Perfect Progressive: They will have been improving

Answer 2

is improving,was Improving,had been improving, will have been improving