A modal verb is a special verb that describes a necessity, obligation, ability, permission or desire. The common characteristic feature for modal verbs is that they are followed by another verb in the infinitive form, which makes them easy to work with.
However, many modal verbs have irregular conjugation and the meaning does not reflect the English logic. It is important to spend enough time using each of the modal verbs to remember it well....
Here are some lessons you can try out straight away:
