Ребята выручайте. Нужно определить глагол- сказуемое и определить его видовременную форму...

Question

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

Answer 1

 1. I Newton /performed/ many experiments with light, Past Simple
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.Past Simple
3   Young Isaac Newton /was peacefully sitting/ in the garden of his home
Past Continuous
4   His main discovery /is/ the discovery of the law of gravity. Present Simple
5   Isaac Newton /has solved/ one of  the great riddles of the universe Present Perfect
6   Newton /picked/ up the apple which /had struck/ himPast Simple, Past Perfect