пожалуйста помогите, нужно раскрыть скобки

1. She just (to go) out 2. She (to leave) the room a moment ago 3. We (not yet to solve) the problem 4. When it all (to happen)? 5. The morning was cold and rainy, but since ten o'clock the weather (to change) and now the sun is shining brightly

1.She has just gone out

2.She left...

3.We have not solved........yet(в конце)

4.When it all happened

5. .......the weather has changed....