Not all the sentences are correct. When you use a superlative, make sure to use the definite article "the"
Example:
He is the best player (Good - better - best)
John is the worst student in the class. (bad - worse - worst)
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MORE ABOUT SUPERLATIVES. THIS MIGHT HELP
Two, Three or More Syllable Adjectives
place 'more' before the adjective
Example: interesting - more interesting / difficult - more difficult
Example Sentences
London is more expensive than Madrid.
This test is more difficult than the last test.
Here is a chart showing how to construct the superlative form in English:
One Syllable Adjectives
place 'the' before the adjective and add '-est' to end of the adjective (Note: double the final consonant if preceded by a vowel)
Example: cheap - the cheapest / hot - the hottest / high - the highest
Example Sentences
Today is the hottest day of the summer.
This book is the cheapest I can find.
Two, Three or More Syllable Adjectives
place 'the most' before the adjective
Example: interesting - the most interesting / difficult - the most difficult
Example Sentences
London is the most expensive city in England.
That is the most beautiful painting here.
Two Syllable Adjectives Ending in '-y' place 'the' before the adjective and remove the 'y' from the adjective and add 'iest'
Example: happy - the happiest / funny - the funniest
Example Sentences
New York is the noisiest city in the USA.
He is the most important person I know.
