Объясните пожалуйста что такое present simple, а что такое present continues. Только кратко, а то я не понимаюююю((((

1. have, not, I, a, got, turtle
2. not, car, has, a, he, got
3. bear, a, have, got, they, not
4. got, parrot, not, has, a, Sam
5. the, not, USA, Sam, is, from

2.Are you at home now это Present simple / Present Continuos / Past simple / Past continuous?
3.Did you meet him two months ago? это Present simple / Present Continuos / Past simple / Past continuous?
4.I am working hard these days это Present simple / Present Continuos / Past simple / Past continuous?
5.He works in the bank это Present simple / Present Continuos / Past simple / Past continuous?
6.Mechael Jackson was born in 1958 это Present simple / Present Continuos / Past simple / Past continuous?
7.While she was singing her friends were listening это Present simple / Present Continuos / Past simple / Past continuous?