Here are three sentences using the word 'could':
"If I could play for a football team, I would."
"I could try to play for a football team."
"If I work hard for my exams I could get good grades."
no, you cant use it asa verb. sorry
The population of Sentice is estimated to be around 10,000 people.
The area of Sentice is 9,270,000.0 square meters.
No
Your question is itself a sentence which uses the word "could".
You could use belongings.
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A kerchief is a cloth tied loosely around the neck, to keep away dust and dirt from the neck. A handkerchief does the same for the hands and cuffs. Cowboys of the Wild West wore kerchiefs, and pulled them up their faces when not wishing to be identified.
You Could write it out using pen or pencil or you could type it up using microsoft word on your computer if you have one.
Single
humor
When you are using a compass you are navigating to a certain point. So it could be navigation.