When could is used it refers to an ability that <span>a person generally had in the past or to something that was generally possible in the past, can is present.
I could wash the dishes for you. (having the ability to do it)
I can wash the dishes for you. (its actually going to be done)
hope this helps you! :-)</span>
I like swimming with my sister in the pool. I enjoy swimming to the bottom and touching the pool floor. I enjoy floating from the bottom to the top of the pool. We also like doing flips into the pool.
•The shop owner was careful with his money, because he didn't want to risk the wages of careless spending.
<span>•I took a risk working at a new job, even though the wages were low.<span>
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