- S + HAVEN’T/HASN’T + P.P

3) - S + haven’t/hasn’t + P.P? Have/has + S + P.P_he/she/it + has_I/we/you/they + havehave/has + already/just/ever/never + P.P Ex: They have just received a package from their grandfather. Lien hasn’t prepared her lesson yet. The present perfect with “since” or “for” (sử dụng “since” hay “for” trong thì hiện tại hồn thành)* SINCE + mốc thời giansince 2000since last month (year, summer, week…)since March (October, May…)since 2 o’clocksince I was young * FOR + khoảng thời gianfor 8 yearsfor a monthfor 3 monthsfor 2 hoursfor a long time several weeksnearly two years .Supply "for" or "since" in the sentences