Ребята выручайте. Нужно определить глагол- сказуемое и определить его видовременную форму и залог.  (За ранее огромная благодарность!)
 1. I Newton performed many experiments with light,
2. When Isaac was fourteen years old. his mother thought it was time for him to begin working on the farm as she wanted her son became a farmer.
3   Young Isaac Newton was peacefully sitting in the garden of his home
4   His main discovery is the discovery of the law of gravity.
5   Isaac Newton has solved one of  the great riddles of the universe
6   Newton picked up the apple which nad struck him