Since hearing about the flu, I've noticed people are very cautious about shaking hands in church.
No. it is not. The word "cautious" is an adjective.
The preposition that typically follows "cautious" is "about." For example, "He was cautious about making any hasty decisions."
"To avoid suspicion, the secret agent had to be discreet and cautious." "If she had not been discreet, her affair with the governor could have ruined his political career."
Cautious doesn't have a future tense as it's an adjective. Only verbs have tenses.
turn the sentence into a question
That man was extremely cautious in his decision.
I would be cautious about using that on your hair.
He was extra cautious driving on the icy roads. She was cautious not to break her new dishes.
Be cautious out there. You might have some trouble.
It simply means cautious.
It would be wise to be cautious and circumspect before acting.
To be circumspect is to be prudent or cautious. An example sentence would be: Sometimes being circumspect, can save you a lot of headaches.
My cautious nature provides a needed equipoise to my husband's bold and fearless behavior.
Proverbs 12:26
His actions gained him a reputation as a Lothario. She liked him, but was cautious about getting involved with a Lothario.
The word "circumspect" is a synonym of the word "cautious. " An example of a sentence using the word "circumspect" is "The rebels were very circumspect as they approached the compound. "
"Watch out" is not a complete sentence as it is missing a subject and a verb. It is considered a phrase or an imperative statement that is commonly used to warn someone of potential danger or to be cautious.