"我想我能胜任这份工作”用英文怎么说？

Question

"我想我不能胜任这份工作”用英文怎么说？
可不可以快一些。。。。。。。

Answer 1

I think I can do this job
I think I can be competent this work
一个是前一句的一个是后一句的

Answer 2

I believe i am capable for this job.

Answer 3

I think I can do it!

Answer 4

I think I can qualify for the job

Answer 5

i'm qulified for the person you are looking for