с 3 заданием где предложения надо составлять.

1. drink; will get
2. won't be late; gets
3. go
4. is; will have
5. wear; will look
6. buys; will wear
7. comes; comes; will phone
В данном упражнении большинство предложений в First Conditional (1 тип условного наклонения). Исходя из правила, можно легко выполнить это упражнение. If + Present Simple, Future Simple (will) (или эти части могут поменяться местами). 
Также присутствуют предложения с придаточными времени (when). После слов when, as soon as, until, after, before никогда не ставится Future Simple (will), а идет глагол в Present Simple

Water the flowers! I have already ( just) watered the flowers! Cut the bread please. I have already ( just) cut the bread.  Ann, lay the table for breakfast. I have already ( just) laid the table for breakfast. These boys are playing football. Those boys have already ( just) played football. I am drinking tea. Granny has already ( just) drunk tea. Bobby is drawing animals. Nelly has already ( just) drawn animals. Mary, dust the furniture, please. I have already ( just) dusted the furniture. Do your home task, Alice. I have already ( just) done it. Marry is cleaning the room. Lizzy has already ( just) cleaned the room. My sister is looking through the newspaper. My father has already ( just) looked through the newspaper. They are having dinner. We have already ( just) had dinner. Father, give Fred the magazine, please. I have just given him the magazine.