6: Tom started collecting stamps when he was a kid
7: She hasn't ironed clothes for a few minutes
8: I arrived in Tokyo two months ago.
9: My father passed away ten years ago
10: He has been dead for three years.
11: Tom has had this car for four years
12: She has been planting roses since half past seven.
13: Tom and Mary have worked here for three years.
14: We have been married for three years.
15: It hasn't rained for a month.
16: How long has it been snowing?
17: It's the first time I've eaten this.
18: How long have you been learning English?
19: I have known John for two years.
20: Jack has been playing the drums for five hours.
