As a Student Representative for the Westlaw International Database, I use the MS Powerpoint frequently, it helps me a lot when I give the presentation about how to use the Westlaw Legal database to the students. Besides that, as a postgraduate, I need to give presentation on certain topic to my teacher and other classmates during the class, which makes me got a good command of application.
In the last sentence , I want to say " I can use the MS Powerpoint very well", how can I express this sentence?
Thanks very much for your help！
I meant to add: Using the words "demonstrates" or "shows"...
As a Student Representative for the Westlaw International Database, I use MS Powerpoint frequently. It helps me a lot when I give presentations to the students about how to use the Westlaw Legal database. (Or, more formally: It helps considerably when I give presentations to the students…) Besides that, in postgraduate work, I need to give presentations during classes to my teacher and classmates on certain (or, specific, particular) topics which demonstrates (or, shows) that I have a good command of the application.
Using the words "demonstrates" means you (you, singular) are exhibiting your proficiency.