I'm tired today. I definitely have stayed up so late last night. 1. couldn't 2. could 3. may 4. shouldn't

2: Could

Объяснение:

Correct answer is Couldn't

Short - shorter - the shortest
long - longer - the longest
small, - smaller - the smallest
nice - nicer - the nicest
fat - fatter - the fattest
big - bigger - the biggest
thin - thinner - the thinnest
nasty - nastier - the nastiest
easy - easier - the easiest
interesting - more interesting - the  most interesting
difficult - more difficult - the  most difficult 
boring - more boring - the  most boring 
good - better - the best
bad - worse - the worst
happy - happier - the happiest
lucky - luckier - the luckiest 
many - more - the  most 
little - less - the least
fascinating - more fascinating -  the most fascinating  

"English English" is a term that (1)... (is applied/applies) to the English language that (2)...(is spoken) in England. In English-speaking countries outside the UK, the term "British English"(3)... is more frequently...(used). However, the term "English English"(4)... (was introduced) some time ago by Peter Trudgill in Language in the British Isles. This term (5)... is now generally ...(recognised) in academic writing. The term "British English", however, has a wider meaning, and (6)...is usually ...(reserved) to describe the features common to English English, Welsh English, Hiberno-English, and Scottish English. A lot of people (7)...are always ...(interested) in the different accents and dialects that exist in Britain. That`s why The English Dictionary that (8)... (was compiled) by Joseph Wright,is now extremely valuable. But the diversity of accents within the nation (9)...is still...(studied) by linguists.Dialect research papers (10)..are often ...(sold) for hundreds of pounds.People tend to be very proud of their local accent or dialect.