1)Вставьте since или for.

1. It has been raining ..... this morning.

since
for

2. She's worked there ..... 1999.

for
since

3. I haven't visited my home town ..... I left school.

for
since

4. I have studied non-stop ..... 9.15.

since
for

5. I've worked here ..... April.

since
for

6. Wolfgang has done nothing ..... he arrived at work this morning.

since
for

2)Вставьте by или until.

1. It must be finished ____ Friday afternoon.

by
until

2. She'll be here at five, ___ which time I expect you to have finished the work.

until
by

3. Once he starts a decorating job he won't stop ____ it's finished.

by
until

1)

It has been raining since this morning. She's worked there since 1999. I haven't visited my home town since I left school. I have studied non-stop since 9.15. I've worked here since April. Wolfgang has done nothing since he arrived at work this morning.

2)

It must be finished by Friday afternoon. She'll be here at five, by which time I expect you to have finished the work. Once he starts a decorating job he won't stop until it's finished.

Теория

Что такое regular и irregular verbs?

Regular verbs - правильные глаголы. Это обычные глаголы, при изменении формы которых просто добавляется -ed. Пример: play - played - played.Irregular verbs - неправильные глаголы. Их формообразование нужно учить. Пример: be - was/were - been.ответыlive - regular (live - lived - lived)make - irregular (make - made - made)show - regular (show - showed - showed)choose - irregular (choose - chose - chosen)leave - irregular (leave - left - left)love - regular (love - loved - loved)win - irregular (win - won - won)try - regular (try - tried - tried)broadcast - irregular (broadcast, broadcast, broadcast)become - irregular (become - became - become)attract - regular (attract - attracted - attracted)solve - regular (solve - solved - solved)receive - regular (receive - received - received)follow - regular (follow - followed - followed)do - irregular (do - did - done)