✅ Answer Key & Detailed Explanations
1. a) for the last
2. a) since last
3. a) for
4. a) for
5. d) haven't met for
6. b) haven't been to a meeting for
7. b) since
8. c) for
9. a) since
10. d) since
11. a) hadn't seen her since
12. d) hasn't won a match for
13. b) for
14. a) for ages
15. a) since
16. d) for
17. c) since
18. b) for ages
19. a) since
20. c) since
⚠️ RESUMEN RÁPIDO - Test 180:
Same rules as T179 — more practice!
Distribución:
• FOR (duration): 40% (Q1,3,4,5,6,8,12,13,14,16,18)
• SINCE (point): 40% (Q2,7,9,10,15,17,19,20)
• "last + ago" → Present Perfect + FOR: 10% (Q5,6,12)
• "last + event" → Past Perfect + SINCE: 5% (Q11)
• "for the last" (defined period): 5% (Q1)
• "since last" (Christmas): 5% (Q2)
Novedades vs T179: "since last Christmas", "for the last two hours" (Q16), "for ages" (revisitado), más Present Perfect Continuous
Q1: He has been running marathons FOR THE LAST ten years.
✅ a) for the last — "ten years" = duración definida → FOR THE LAST
❌ b) since the last — "since the last ten years" = less natural
❌ c) since — "since ten years" = WRONG!
❌ d) ago — "ago ten years" = wrong position
Q2: Your brother hasn't called SINCE LAST Christmas.
✅ a) since last — "last Christmas" = punto específico → SINCE
⭐ "since last + event" = desde el último (punto en el tiempo)
❌ b) for — "for Christmas" = WRONG! (Christmas = punto, no duración)
❌ c) ago — "ago Christmas" = wrong structure
❌ d) during — wrong with Perfect
Q3: That girl has been studying the lesson FOR ages.
✅ a) for — "ages" = duración → FOR
❌ b) since — "since ages" = WRONG!
❌ c) during — wrong with Perfect
❌ d) ago — wrong structure
Q4: He's been drinking FOR hours.
✅ a) for — "hours" = duración → FOR
❌ b) since — "since hours" = WRONG!
❌ c) during — wrong with Perfect
❌ d) ago — wrong structure
Q5: 'We last met about a year ago.' → 'I know we HAVEN'T MET FOR a year.'
✅ d) haven't met for — "a year" = duración → FOR + Present Perfect
≈ T179 Q1 (identical!)
❌ a) haven't met since — "since a year" = WRONG!
❌ b) didn't meet for — Past Simple (needs Perfect!)
❌ c) didn't meet since — Past Simple + since = double wrong
Q6: 'I last went to a meeting six months ago.' → 'I know you HAVEN'T BEEN TO A MEETING FOR six months.'
✅ b) haven't been to a meeting for — "six months" = duración → FOR + Present Perfect
⭐ "went" → "haven't been to" (Present Perfect of "go to")
❌ a) haven't been to a meeting since — "since six months" = WRONG!
❌ c) didn't go to a meeting since — Past Simple + since
❌ d) didn't go to a meeting for — Past Simple
Q7: I haven't drunk whisky SINCE I was 20.
✅ b) since — "I was 20" = punto/momento → SINCE + clause
❌ a) for — "for I was 20" = IMPOSSIBLE!
❌ c) during — wrong with Perfect
❌ d) from — wrong alone
Q8: We haven't spoken to each other FOR 20 years.
✅ c) for — "20 years" = duración → FOR
❌ a) since — "since 20 years" = WRONG!
❌ b) during — wrong with Perfect
❌ d) from — wrong alone
Q9: I've always believed in fairies SINCE I was a kid.
✅ a) since — "I was a kid" = punto/momento → SINCE + clause
❌ b) from — wrong
❌ c) during — wrong
❌ d) for — "for I was a kid" = IMPOSSIBLE!
Q10: She hasn't driven a car SINCE the accident.
✅ d) since — "the accident" = evento/punto → SINCE
❌ a) from — wrong alone
❌ b) for — "for the accident" = WRONG! (event ≠ duration)
❌ c) during — wrong with Perfect
Q11: 'I last saw this woman during the Press Conference.' → 'I knew you HADN'T SEEN HER SINCE then.'
✅ a) hadn't seen her since — Past Perfect + SINCE (past context: "I knew")
≈ T179 Q5,Q6 (identical pattern!)
❌ b) hadn't seen her for — "for then" = WRONG!
❌ c) didn't see him since — Past Simple + wrong pronoun (him ≠ her!)
❌ d) didn't see him for — Past Simple + wrong pronoun + for
Q12: 'Our team last won a game a year ago.' → 'I know it HASN'T WON A MATCH FOR a year.'
✅ d) hasn't won a match for — "a year" = duración → FOR + Present Perfect
≈ T179 Q9 (race → match)
❌ a) didn't win a match since — Past Simple + since
❌ b) hasn't won a match since — "since a year" = WRONG!
❌ c) didn't win a match for — Past Simple
Q13: I know it hasn't snowed FOR three years.
✅ b) for — "three years" = duración → FOR
❌ a) during — wrong with Perfect
❌ c) from — wrong
❌ d) since — "since three years" = WRONG!
Q14: We haven't been to the Museum FOR AGES.
✅ a) for ages — "ages" = duración → FOR
≈ T179 Q2,Q7 (identical pattern!)
❌ b) since ages — WRONG!
❌ c) for an age — less common
❌ d) since an age — WRONG!
Q15: I haven't bought anything SINCE Christmas.
✅ a) since — "Christmas" = punto → SINCE
❌ b) during — wrong with Perfect
❌ c) for — "for Christmas" = WRONG!
❌ d) from — wrong
Q16: The phone hasn't rung FOR the last two hours.
✅ d) for — "the last two hours" = duración definida → FOR
⭐ "for the last + duration" = para el último período
❌ a) during — "during the last two hours" = possible but different meaning
❌ b) since — "since the last two hours" = less natural
❌ c) from — wrong
Q17: She hasn't worn a dress SINCE she was a little girl.
✅ c) since — "she was a little girl" = punto/momento → SINCE + clause
❌ a) from — wrong
❌ b) for — "for she was" = IMPOSSIBLE!
❌ d) during — wrong
Q18: We haven't had a party FOR AGES.
✅ b) for ages — "ages" = duración → FOR
❌ a) since ages — WRONG!
❌ c) since an age — WRONG!
❌ d) for an age — less common
Q19: She's been typing SINCE 9 o'clock.
✅ a) since — "9 o'clock" = punto en el tiempo → SINCE
≈ T179 Q12 (five o'clock → 9 o'clock)
❌ b) for — "for 9 o'clock" = WRONG!
❌ c) from — wrong
❌ d) during — wrong
Q20: I haven't seen my mother SINCE I was a little boy.
✅ c) since — "I was a little boy" = punto/momento → SINCE + clause
≈ T179 Q20 (school → little boy)
❌ a) for — "for I was" = IMPOSSIBLE!
❌ b) during — wrong
❌ d) from — wrong