All my school students are not proficients using Microsoft Word and excel
I am proficient in answering questions on wiki.answers.com
The 5th word in "What is the 5th word in this sentence" is "the".
.IQ-a way of measuring human intelligence! Sentence: I hope my IQ will always be proficient or advanced.
'Happens" just happened to be the fourth word that was sent forth in the example questioning sentence.
The word you want is "declarative."
Applicants must be proficient in Microsoft Word and Excel. he's a highly proficient diver.
effective.
I am proficient in answering questions on wiki.answers.com
He was proficient in arts and crafts
The learner driver was classed as proficient in driving their car
Job applicants must be proficient in Microsoft and Excel.
You could say "nonproficient"; "unproficient" isn't really a "word" (you can say it, but it's unusual).
able
capable
conversant
Adept, proficient
adaptable does not mean the same as adept, skilled, proficient, expert