`#` `mikey3`

`1,` When did you start/begin being here?

→ When + did + S +start/begin + V-ing/to V?

`2,` I have never seen such a beautiful girl before.

→ S + have/has + never + V3/ed + such + a/an + adj + Noun + before

`3,`

⇒ It is 2 months since I (last) went to school because of covid-19

⇒ I last went to school 2 months ago because because of covid-19.

⇒ The last time I went to school was 2 months ago because of covid-19.

→ S + have/has + not + Vpp + for/since + time

`4,` This is the first time I have visited HaLong Bay.

→ This/It is the first time + S + have/has + V3/ed

`5,`

⇒ The laѕt time I cheated in eхam ᴡaѕ уearѕ.

⇒ I laѕt cheated in eхam уearѕ ago.

⇒ It iѕ уearѕ ѕince I cheated in eхam

→ The last time + S + V2/ed + was + time + ago

$*OwO:$

$-$ The last time + S + V (-ed/ bất quy tắc) + was + time + ago $=$ S + haven't/ hasn't + V3 + for + time.

  $+$ "Thời gian của lần cuối cùng làm gì là từ + thời gian + trước ... = Đã không làm gì được một khoảng thời gian".

$-$ This is the first time + S + have/ has + V3 = S + have/ has + never + V3+ before.

  $+$ "Đây là lần đầu tiên làm gì ... $=$ Chưa từng làm gì trước đây".

$-$ When + did + S + V (Bare) = How long + have/ has + S + V3?

$-$ S + haven't/ hasn't + V3 + for + time = S + last + V (-ed/ bất quy tắc) + time + ago.

  $+$ "Đã không làm gì được bao lâu ... = Lần cuối làm gì là vào khi ...".

$---$

$1.$ When did you start being here?

$2.$ I have never seen such a beautiful girl before.

$3.$ $...$

It is 2 months since I last went to school because of Covid-19.

The last time I went to school was 2 months ago because of Covid-19.

I last went to school 2 months ago because of Covid-19.

$4.$ This is the first time I have visited Ha Long Bay.

$5.$ $...$

I laѕt cheated in eхam уearѕ ago.

The last time I cheated in eхam ᴡaѕ уearѕ ago.

It iѕ уearѕ ѕince I cheated in eхam.