Cách dùng:Thì hiện tại hoàn thành diễn tả mọt hành động bắt đầu trong quá khứ ,còn tiếp tục đến hiện tại và chua hoàn thành ở hiện tại .Thì này thờng dễ đợc nhận thấy qua cách dùng của c[r]
(1)Th× hiÖn t¹i hoµn thµnh víi Since vµ For a.C«ng thøc Has/have +PII b.C¸ch chia (+) I(We,you,they )Have worked for three years He (she,it) has worked for three years (-)I(We,you,they )have not worked for three years He (she,it) has not worked for three years Note :have not=haven’t Has not= hasn’t (?) Have I(We,you,they ) worked for three years.? Has he (she,it) worked for three years? Cách dùng:Thì hoàn thành diễn tả mọt hành động bắt đầu quá khứ ,còn tiếp tục đến và chua hoàn thành Thì này thờng dễ đợc nhận thấy qua cách dùng các trạng từ thời gian “for” và ‘since” Eg:They have learned English for years (Họ học tiếng anh đợc ba năm rồi( b©y giê vÉn häc) He has lived here since 2003 (anh Êy sèng ë ®©y tõ n¨m 2003 (b©y giê vÉn sèng) -Thì hoàn thành đợc dùng để diễn tả hành độngvừa xảy Trong trờng hợp này thờng có chữ “just” đặt “Have” và PII Eg: I have just come (Tôi vừa đến) Present perfect with “ for & since” o For + ( a period of time ) For 10 years For 23 seconds o Since + ( a point of time ) Since Monday Since 1989 I have studied English for 10 years She has not seen Lan since 1989 II.Exercises VI.Cho dạng đúng động từ ngoặc: Would you like (listen) to some music? Yesterday, Ba ( go) to Danang by car Nam enjoys ( play) soccer after school Lan asked me (go) .to the supermarket Mai is (buy) .a new bicycle next week I think you should (do) the morning exercise They used (go) to work by train Don’t let children (play) alone You ought to (do) the homework yourself 10.My father stopped (smoke) 11 Mai has enough money (buy) a new bicycle 12.Hoa often (do) the homework after school 13.Look! A baby (cross) .the road 14.I need (buy) some notebook (2) 15.My teacher said I should (spend) more time on my English 16.Mr Hung told me (tell) him the truth 17.Nga likes ( play) badminton 18.They asked their children ( stay) at home 19.Nam must (do) the homework himself 20.My mother ( buy) a house last week 21.I’d like (buy) .some eggs Jack (be) unemployed since April My sister (study) languages at university for two years How long (you / know) Tom? Where (you / be)? I (be) to the dentist (you / ever / see) a fire? I (not / finish) my letter yet Daniel Steel is a famous novelist She (write) a lot of novels Here are your shoes, I (just / clean) them His hair is very short He (have) a haircut 10.Mary (not / drink) any coffee sofar today (3)