25. When did you have it ?

→ How long…have you had it?……

26. This is the first time I had such a delicious meal .

→ I haven’t…eaten such a delicious meal before………

27. I haven’t seen him for 8 days.

→ The last…time I saw him was 6 days ago………

28. I haven’t taken a bath since Monday.

→ It is…Monday when I last took a bath………

29. It's 2 years since I had a punture.

→ I have …not had a puncture for 2 years.……

30. It's 2 months since he earned any money.

→ He has …not earned any money for 2 months………

31. He last shaved the day before yesterday.

→ He hasn’t …shaved since the day before yesterday………

32. I last drank champagne at my brother's wedding.

→ I haven’t …drunk champagne since my brother's wedding

xin các bạn giúp mik với nhé

25. When did you have it ?

→ How long……have you had it……………………………………………

26. This is the first time I had such a delicious meal .

→ I haven’t…had such a delicious meal………………………………………………

27. I haven’t seen him for 8 days.

→ The last……time I have seen him was 8 days ago……………………………………………

28. I haven’t taken a bath since Monday.

→ It is…… Monday when I last took a bath……………………………………………

29. It's 2 years since I had a punture.

→ I have …………………………………………………

30. It's 2 months since he earned any money.

→ He has ……not earned any money for 2 months…………………………………………

31. He last shaved the day before yesterday.

→ He hasn’t ……shaved since the day before yesterday.……………………………………………

32. I last drank champagne at my brother's wedding.

→ I haven’t ……drunk champagne since my brother's wedding.……………………………………………

Giúp em với ạ🥺 Viết lại câu không thay đổi nghĩa:

1) He hasn’t taken a bath since Monday.

=> It is ........Monday when he last took a bath.................................................................................................

2) This is the first time she had such a delicious meal .

=> She hasn’t ....had such a delicious meal before..............................................................................................

3) It is a long time since they last met.

=> They haven't....met for a long time............................................................................................

4) Mary began driving 1 month ago.

=> Mary has.....driven for 1 month...............................................................................................

5) His parents haven't seen him for 8 days.

=> The last ...........time his parents saw him was 8 days ago.....................................................................................

6) When did Susan have it ?

=> How long ..have Susan had it...............................................................................................?

7) The last time he kissed her was 5 months ago.

=> He hasn't.......kissed me for 5 months..........................................................................................

8) Minh started eating when it started to rain.

=> Minh has.............eaten since it started to rain......................................................................................

9) This is the first time Tuan went abroad.

=> Tuan hasn't..gone abroad before...............................................................................................

10) Tom last had his hair cut when he left Daisy. =

> Tom hasn’t...........had his hair cut since he left Daisy........................................................................................

I haven't taken a bath since Monday

-> It is my first time I have ever taken a bath since Monday.

Viết lại câu :

I haven't taken a bath since Monday .

=> It is Monday since I last took a bath

1. This is the first time he went abroad.

=> He hasn't went abroad.

2. She started driving 1 month ago

=> She hasn't drived for 1 month

3. We began eating when it started to rain

=> We have eaten since it started to rain

4. I last had my hair cut when I left her.

=> I haven't cut my hair since I left her.

5. The last time she kissed me was 5 months ago

=> She hasn't kissed me for 5 months.

6. It is a long time since we last met.

=> We haven't met for a long time

7. When did you have it?

=> How long have you had it?

8. This is the first time I had such a delicious meal.

=> I haven't had such a delicious meal.

9. I haven't seen him for 8 days

=> The last day I've seen him was 8 days ago.

10. I haven't taken a bath since Monday

=> It is Monday since I took a bath.

1) This is the first time he went abroad. => He hasn’t gone abroad before

2) She started driving 1 month ago. => She has driven for 1 month

3) We began eating when it started to rain. => We have eaten since it started to rain

4) I last had my hair cut when I left her. => I haven’t cut my hair since I left her

5) The last time she kissed me was 5 months ago. => She hasn’t kissed me for 5 months

6) It is a long time since we last met. => We haven’t met for a long time

7) When did you have it ? => How long have you had it ?

8) This is the first time I had such a delicious meal . => I haven’t had such a delicious meal before.

9) I haven’t seen him for 8 days. => The last time I saw him was 8 days ago

10) I haven’t taken a bath since Monday. => It is Monday since I last took a bath

1. This is the first time he went abroad.

=> He hasn't went abroad.

2. She started driving 1 month ago

=> She hasn't drived for 1 month

3. We began eating when it started to rain

=> We have eaten since it started to rain

4. I last had my hair cut when I left her.

=> I haven't cut my hair since I left her.

5. The last time she kissed me was 5 months ago

=> She hasn't kissed me for 5 months.

6. It is a long time since we last met.

=> We haven't met for a long time

7. When did you have it?

=> How long have you had it?

8. This is the first time I had such a delicious meal.

=> I haven't had such a delicious meal.

9. I haven't seen him for 8 days

=> The last day I've seen him was 8 days ago.

10. I haven't taken a bath since Monday

=> It is Monday since I took a bath.

\(cos^2x-cosx=0\)

\(\Leftrightarrow cosx\left(cosx-1\right)=0\)

\(\Leftrightarrow\left[{}\begin{matrix}cosx=0\\cosx=1\end{matrix}\right.\)

\(\Leftrightarrow\left[{}\begin{matrix}x=\frac{\pi}{2}+k\pi\\x=k2\pi\end{matrix}\right.\)

Các bạn giúp mình với:

I haven’t taken a bath since Monday => it is…………………………….

1) It is a long time since we last met.
=> We have not met for a long time
2) When did you have it ?
=> How long have you had it?

3) This is the first time I had such a delicious meal .
=> I have not had a such delicious meal before
4) I have not seen him for 8 days.
=> The last time I saw him was 8 days ago
5) I have not taken a bath since Monday for two months
=> It is two months since I last took a bath

1) It is a long time since we last met.
=> We have not met for a long time
2) When did you have it ?
=> How long have you had it?

3) This is the first time I had such a delicious meal .
=> I haven't never had a such delicious meal before
4) I have not seen him for 8 days.
=> The last time I saw him was 8 days ago
5) I have not taken a bath since Monday for two months
=> It is two months since I last took a bath

c

Present perfect vs present simple tense  1. I haven't seen him for 8 days 

=> The last time I met him was 8 years ago

2.I haven't taken a bath since sunday 

=> It is 6 days since I took a bath

3.It's 2 years since I had a punture 

=> I have had a punture for 2 years.

4.It's 2 months since he earned any money 

=> He has eared any money for 2 months

5. He last shaved the day before yesterday 

=> He hasn't shaved the day since yesterday

6.I last drank champagne at my brother 's wedding 

=> I haven't drunk champgne since my brother's wedding

7.It's 2 years since I was last in Rome 

=> I haven't been in Rome for 2 years

8.I saw Tom last on his wedding day 

=> I haven't seen Tom since his wedding day

9.I last ate raw fish when i was in Japan 

=> I haven't eaten raw fish since i was in Japan

10.It's years since Mary last spoke french 

=> Mary hasn't spoken French for year