Select the correct active form of the given sentence.
Dinesh was looked after by his grandmother when his parents went abroad.
1
Dinesh's grandmother looks after him when his parents went abroad.
2
Dinesh's grandmother looked after him when his parents went abroad.
3
Dinesh looked after his grandmother when his parents went abroad.
4
Dinesh's grandmother was looking after him when his parents went abroad.
5
None of the above