[Grammar] as (quasi relative pronoun)

[sitifan]

1. Don't lose your passport, as I did last year. (written by Michael Swan)
2. Don't lose your passport, as I lost my passport last year. (written by me)

Sentence #1 is correct. Is #2 also acceptable?

 

[5jj]

It's not natural.

 

[sitifan]

3. Why Liberalism Failed is a critique of political, social, and economic liberalism as practiced by both American Democrats and Republicans.
(quoted from the link https://en.wikipedia.org/wiki/Why_Liberalism_Failed )
4. Why Liberalism Failed is a critique of political, social, and economic liberalism as is practiced by both American Democrats and Republicans.
(written by me)
Sentence #3 is supposed to be correct. Is #4 also acceptable to native speakers?

 

[5jj]

Not to me.