1. it's raining now.
2. It's snowing now.
3. It often rains in autumn.
4. It sometimes snows in autumn.
5. It was raining yesterday или It rained yesterday. И то, и другое правильно. Всё зависит от контекста. Если имеется в виду, что дождь шёл весь день, то надо использовать первый вариант. А если просто шёл дождь, то второй вполне подойдёт
<span>They Jacksons had a good time, hadn't they?</span>
I was reading a book at three o'clock yesterday.
She was born a year ago.
Four young and nice girls are smiling and very happy. Maybe they are friends or students who are going to a party after a busy day. The pic is black and white, but nowadays it is modern again.