6. образуйте 3 формы от следующих глаголов: to be, to have, to give, to apply, to satisfy, to live, to study, to examine, to solve, to leave, to survive, to experience, to provide, to turn, to observe, to feed, to build, to depend, to guarantee.

Be-was/were- been; have-had-had; give-gave-given; apply-applied- applied; satisfy-satisfied-satisfied, live-lived-lived; study-studied-studied; examine- examined- examined; solve-solved-solved; leave-left-left; survive-survived-survived; experience- experienced-experienced; provide-provided-provided; turn-turned-turned; observe- observed-observed; feed-fed-fed; build-built-built, depend-depended-depended; guarantee- guaranteed-guaranteed.