Learn english: Could have practice exercises (could've,could of, coulda) Intermediate

If you want to practice how to use "could have", this practice exercise will help could have has abbreviated forms (could've--frequently spelled incorrectly as "could of" because they sound exactly the same- and coulda) This video does not explain the concept of could have, it is a practice exercise. If you are not sure of the concept, see the grammar lesson video first and then return to this practice exercise. Al so be sure to find the should have and would have exercises. A transcript for this exercises is available at this link
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