Using sufficient instead of enough as a noun is clumsy and sounds old-fashioned, as in Thank you, but I’ve had sufficient, and even as an adjective sufficient almost alwayssounds more Formal than enough, as in I have sufficient information to write the article, as does insufficient for a negative: compare We don’t have enough time to reach the station with We haveinsufficient time to reach the station. In any case, use either sufficient or enough, depending on the level you seek, however, people also use these two words to express difference in quantity, “I haveenough time to get to the airport” if it normally takes 30 minutes to get to the airport, maybe I have 35 minutes to get there. “I have sufficient time to get to the airport” Maybe I have an hour to getthere.
THE WHOLE TIME AND ALL OF THE TIME
“THE WHOLE TIME” refers to the specific period of time associated with the incident or event you are talking about.
e.g. If myboyfriend says to me: "You have been lying about being married this whole time!" it would mean the whole time we were dating.
this whole time means that.. for a particular length of time.. it refersto something that happens all along that given period 'This book was lying here this whole time and we couldn't see it!'
“ALL OF THE TIME” refers to a wider period of time, “My mother tells mewhat to do all of the time!”, the idea is that is something permanent, usually happens like that.
MORE THAN ENOUGH AND PLENTY OF
These two expressions refer to quantity, e.g “I wantto buy a computer, I have more than enough money to get it” Maybe the computer is $9,000 and I have $10,000.
“I want to buy a computer, I have plenty of money to get it” Maybe I have $20,000HARDLY ANY AND VERY FEW
hardly + any (+ -one/-thing)
Hardly any means very little or very few and is the opposite of plenty of, or colloquially, loads of. Note the negative tone in which...