The following is the comparative and superlative usage and statement of "ill":
1. Compare "difference":
-"Worse" is used to indicate a situation that is more serious, worse or worse than "sick".
-Example:
Yesterday, I felt sick, but today I feel worse.
I didn't feel well yesterday, but I feel worse today. )
2. The highest "worst":
-"Worst" is used in "sick" to indicate the worst and most serious situation.
-Example:
-"Of all the patients, his illness is the most serious."
Of all the patients, his illness is the most serious. )
-"I have a sore throat and a headache, but my fever is the worst."
I have a sore throat and a headache, but the fever is the most serious. )
It should be noted that "ill" is an irregular adjective, and the conventional forms of "-er" and "-est" are not used to express the comparative degree and superlative degree. It is expressed by "worst" and "worst".
To sum up, the comparative level of "ill" is "worst" and the superlative level is "worst". Using these tables correctly can describe the severity of the disease or discomfort more accurately.