Looking on the internet deeply has found these results:

i am proficient at english is the most popular phrase on the web.

i have a good proficiency at english 10 results on the web	i am proficient at english 14 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
It doesn't look like this phrase is very popular! The search could not find any examples on the internet.	Claudio Geraldo Rocha Caldeira Reading as well as Web Research. Location: London, London I am from Korea, but i am proficient at english. I have graduated from high school in 2013 and am studying at the Royal Veteri... [more] written Transcriptions Additionally, I am proficient at English language skills which help me do a great job of Proof Reading as well as Web Research. written Transcriptions Additionally, I am proficient at English language skills which help me do a great job of Proof ... Hand ... Hand

i have a good proficiency at english

10 results on the web

i am proficient at english

14 results on the web

More popular!

It doesn't look like this phrase is very popular! The search could not find any examples on the internet.

Claudio Geraldo Rocha Caldeira
Reading as well as Web Research.
Location: London, London I am from Korea, but i am proficient at english. I have graduated from high school in 2013 and am studying at the Royal Veteri... [more]
written Transcriptions Additionally, I am proficient at English language skills which help me do a great job of Proof
Reading as well as Web Research.
written Transcriptions Additionally, I am proficient at English language skills which help me do a great job of Proof
... Hand
... Hand