Ответ:
упражнение 1
become-became-become
know-knew-known
write-wrote-written
eat-ate-eaten
send-sent-sent
forget-forgot-forgotten
spend-spent-spent
get-got-got
understand-understood-understood
catch-caught -caught
wake-woke-woken
build-built-built
say-said-said
fall-fell-fallen
hear-heard-heard
Упражнение 2
1)I was born in 1999
2)We met 2 months ago
3)I went to the park at the weekend
4(I didn’t catch watch you say
5)I became a director 4 years ago
6)I had some chicken for breakfast
упражнение 3
1)Pay-paid-paid
2)Run-ran-run
3)Stand-stood-stood
4)Tell-told-told
5)Meet-met-met
6)Give-gave-given
7)Begin-began-begun
8)Think-thought-thought
9)Teach-taught-taught
10)Sit-sat-sat
11)Have-had-had
11)Come-came-come
12)Read-read-read
13)Sleep-slept-slept
14)Bring-brought-brought
15)Find-found-found
16)Cost-cost-cost
17)Drive-drove-driven
18)Go-went-gone
Упражнение 4
1)I broke my car yesterday
2)I got up early today
3)She hasn’t eaten yet
4)She has bought new trousers
5)Have you ever drunk alcohol?
6)He was late yesterday