khoảng thời gian + ago in mốc thời gian when + mệnh đề.. Ex: I have not phoned her for two days.[r]
(1)Sự hòa hợp thì quá khứ đơn và hoàn thành S + have/has + not + Vpp + since/for … S + last + Ved/C2 …+ when/ago/in … The last time +S + Ved/C2 …was + when/ago/in It’s time … since + Ved/C2 * for + (khoảng thời gian) * since + (mốc thời gian) * Since + mệnh đề (khoảng thời gian) + ago in (mốc thời gian) when + mệnh đề Ex: I have not phoned her for two days I last phoned her two days ago The last time I phoned her was two days ago It’s two days since I phoned her (2)