"The parties set a tentative sale date in July."
"The lion cub made one tentative swipe at the turtle and then scampered away."
Yes, the scheduled time is tentative.
"She wanted to go with them on the picnic, but wasn't sure if she had an exam that day or not, so she gave them just a tentative 'yes'."
No.
Tentative is an adjective.
I am not writing a sentence using that word.
Tentative is an adjective.
I can give you a sentence using the word galaxy.
a sentence using the word endotracheal
This is a sentence using the word aviator.
The word 'tentative' is an adjective that is either pre-modifying or attributive, as in 'a tentative suggestion', or predicative, as in 'he is tentative'.
No, it is not. "I can beat you in a fight!" is a positive statement. The key word is the positive can not the tentative could.
I am saying a sentence using the word collagen.