Which verb form is used to indicate the perfect progressive tense?

What would our criminal justice system be like without due process?

Which line from the text provides specific support for the idea that mantids are excellent hunters? a) first, mantids show an amazing mastery of hunting skills. b) mantids eat a wide variety of insects, including moths, crickets, bees, flies, and grasshoppers. c) they have large, powerful front legs, with spikes that them hold on to prey. d) finally, they are very personable, as far as insects go. (language arts)

Many colonist in america joined army and fought to be free from british rule