How does malcolm test macduff's trustworthiness and loyalty?

Which verb from is used to indicate the perfect progressive tense

Which evidence supports the inference that nora is afraid of what torvald will say if krogstad tells him about her forgery? do it for my sake—for your own sake—for the children's sake." "you don't know what that letter can bring upon us." "yes, it's too late." "you will never have to do that."

I'm writing a persuasive speech about texting and can anyone me out?