Present perfect Present perfect Form a Positive S + have/ has + PII b Negative S + have not ( haven’t)/has not (hasn’t)+ PII C Interrogative Have/ has + S + PII ? B Express the experience ever, never e.g I have never seen this film before Have you ever eaten Indian food? this is the first time this is the second time e.g This is the first time I have read this book • Use • A Express an action which has just happened Just, already ( in positive) I have just made a new report Yet: (at the end of the negative and interrogative sentences) I haven’t had dinner yet He has been to Paris ( He is not in Paris now.) He has gone to Paris ( He is in Paris now.) C Express an action which happened in the past and lasts until the present For + a period of time three months five years Since + a point of time 1990/ I was born Note: Since +Clause V(past simple) I have worked for this company since I graduated from university So far/ recently/ since then, in the last three months d Focus on the result I have done my homework I have made five cakes Hội kiểm toán viên hành nghề Việt Nam (VACPA) Giảng viên: Phan Thị Thanh Tâm