1. I haven't seen Tom since his wedding day

2. I haven't eaten raw fish since I was in Japan 

3. He hasn't paid taxes since 1970

4. I haven't eaten meat for 5 years

5. I haven't aboard since the summer of 1978

6. I last saw him 2 months ago

⇔ Công thức : [ S + V ( thì hiện tại hoàn thành ) since + mốc thời gian / for + thời gian ]

P/s : Áp dụng công thức là ra bạn nhé :>>

#kyduyen

`1`. I haven't seen Tom since his wedding day.

- S + Ved/ V2 + ... + last + pre + time.

= S + have/has + not + Vpp + ... + since + time.

`2`. I haven't eaten raw fish since I was in Japan.

- S + last + Ved/ V2 + ... + when + S + V (quá khứ đơn).

= S + have/has + not + Vpp + ... + since + S + V (quá khứ đơn).

`3`. He hasn't paid taxes since 1970.

(Tương tự câu `1`)

`4`. I haven't eaten meat for 5 years.

- S + last + Ved/ V2 + ... + time + ago.

= S + have/has + not + Vpp + ... + for + time.

`5`. I haven't been abroad since the summer of 1978.

- The last time + S + Ved/ V2 + ... + was + pre + time.

= S + have/has + not + Vpp + ... + since + time.

`6`. I last saw him 2 months ago.

- S + have/has + not + Vpp + ... + for + time.

= S + last + Ved/ V2 + ... + time + ago.