Напишите слова в трёх формах и разделите их на две группы. to be, to laught, to built, to study, to become, to happen, to burn, to discribe, to read, to look, to lead, to count, to come, to work, to keep, to join, to learn, to take, to say, to wake up, to go, toget, to know, to hear,to do.
be-was/were-been
build-built-built
become-became-become
burn-burnt-burnt
read-read-read
lead-led-led
come-came-come
keep-kept-kept
learn-learnt-learnt
take-took-taken
say-said-said
wake-woke-woken
go-went-gone
get-got-got
know-knew-known
hear-heard-heard
do-did-done
Остальные все правильные,в конце добавляется -ed