Imagine trying to speak without expressing possibility, permission,or necessity; it would be like painting without colour. That’s were the modal verb step in. These special helping verbs—can, could, ...
In this exercise, you'll see input verbs and model verbs. If you choose ring as your model verb, and then bring as your input verb, bring will conjugate the way that ring normally does. (You will get ...
When a student writes "I am frustrating with that class," we recognize it as an error, but the error is not one that makes the writing unintelligible. The message ...
How many 'blue' phrases do you know? Learn three more here.
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