1 he has had a cold for a week
-> thì HTHT + for
-> s + have / has + VPII + for + 1 khoảng thời gian
2 they have bought the new house since april
-> thì HTHT + since
-> s + hve / has + VPII + since + 1 mốc thời gian
3 my family has been here since christmas
-> thì HTHT + since
-> s + hve / has + VPII + since + 1 mốc thời gian
4 we haven't met each other for 10 years
-> thì HTHT + for
-> s + have / has + VPII + for + 1 khoảng thời gian
5 mr clak has worked the bank for a long time
-> thì HTHT + for
-> s + have / has + VPII + for + 1 khoảng thời gian
