yes
"With sincere appreciation" is the correct phrase. It indicates that the appreciation is accompanied by sincerity.
because i am sincere and determined
I'm sure if it has been 3yrs and he is still interested that should tell you something - he is sincere.
more sincere (sincerer), the most sincere (sincerest)
Complement her shoes, her hair. Just be nice and sincere... but not too sincereA different view:As in the above answer: "but not too sincere"? You should always be sincere, otherwise you will fast become known as a fake.
A sincere person is always respected for his sincerity. This is the sincere approach to make a sentence with the word 'sincere'.he was sincere in his efforts to please
just sweet and sincere and tell the truth.
The superlative degree of word sincere can be most sincere ,or sincerest according to its use in the sentence.
Just say it! If you are embarrassed then you should not be dating them! You just have to be sincere in asking it.
Authentic, and sincere
The comparative form of "sincere" is "more sincere," while the superlative form is "most sincere." For example, you might say, "She is more sincere than her friend," and "He is the most sincere person I know." Unlike some adjectives, "sincere" does not form its comparative and superlative by simply adding "-er" or "-est."
The noun forms for the adjective sincere are sincereness and sincerity.