Поставить глагол в нужную форму

1. went.
2. raining.

1.They often (went)to the country last summer.
2. It (is raining) heavily outside now.
3. When WILL your friend RETURN from the south? - >> When DOES your friend RETURN from the south? (НАСКОЛЬКО ПОМНЮ, ПОСЛЕ WHEN НЕ УПОТР. БУДУЩЕЕ ВРЕМЯ. ЭТО ТОЧНО ТАКЖЕ КАК И С IF) >> -- бред!! !
Если можно, как в предложении 10, сказать, что он приедет, то почему же нельзя спросить -- Когда он приедет (вернётся) ?
4. Her coffee (is) always with milk.
5.We (shall/will celebrate) Mother’s Day in a week.
6. What are you (doing) here?
7. I (am waiting) for a friend.
8. DOES he (speak) French?
9. My friend (went) to a pioneer camp last summer.
10. He (will come back) from the south next month.

1.They often WENT to the country last summer.
2. It IS RAININGheavily outside now.
3. When DOES your friend RETURN from the south? (НАСКОЛЬКО ПОМНЮ, ПОСЛЕ WHEN НЕ УПОТР. БУДУЩЕЕ ВРЕМЯ. ЭТО ТОЧНО ТАКЖЕ КАК И С IF)
4. Her coffee IS always with milk.
5.We WILL CELEBRATE Mother’s Day in a week.
6. What ARE you DOING here?
7. I AM WAITING for a friend.
8. DOES He SPEAK French?
9. My friend WENT to a pioneer camp last summer.
10. He WILL COME BACK from the south next month.

1. went
2. is raining
3. did your friend return
4.is

1. They often went ...
2. It is raining...
3. When will your friend return from...
4. Her coffee is...

1. go
2. raining
3. returns
4. is

1 went
2 is raining
3 did your friend return (ну здесь вообще может быть два варианта, в прошедшом и будущем времени, я выбрала в прошедшем)
4 is