Say the present perfect form of the following verbs. Use the grammar reference if necessary teach, buy, leave, arrange, take, give, choose, wash, climb, drink, travel, ask, write, buy, read, count, be, sleep, live, see, hear, feed

has/have taught, bought, left, arranged, taken, given, chosen, washed, climbed, drunk, travelled, asked, written, read, counted, been, slept, lived, seen, heard, fed