`1` I have never met such a good girl before.

`2` I have never tried such delicious food before.

`3` I have never read such an interesting book before.

`4` This is the most boring film I have ever seen.

`5` This is the most handsome boy she has ever met.

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`-` N (người/vật) + be (HTĐ) + the most adj (dài)/the adj (ngắn)-est + S + has/have + PII: ... nhất mà ai từng ....

`=` S + has/have + never/not + PII + such + (a/an) + adj + N + before: ai chưa từng ... trước đây

`1.` I have never met such a good girl before.

`@` S1+ is/am/are + the + short adj-est/ most + long adj + N(s/es)+ S2+ has/have + ever + V-pp.

`=` S2 + has/have + never+  V-pp+ such (+a/an) + Adj + N(s/es)+before.

`2.` I have never tried such delicious food before.

`@` This is the + short adj-est/ most + long adj + N-số ít + S+ has/have + ever + V-pp.

`=` S+has/have+ never+ V-pp+ such +a/an + Adj + N-số ít+before.

`3.` I have never read such an interesting book  before.

`-` Tương tự câu `2`

`4.` This is the most boring film I've ever seen.

`-` Tương tự câu `2` 

`5.` This is the most handsome boy she has ever met.

`-` Tương tự câu `2`