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Relative clauses are non-essential parts of a sentence. They may add meaning, but if they are remove...

The FUTURE PROGRESSIVE indicates continuing action, especially an action that will be happening, goi...

We use a causative verb when we want to talk about something that someone else did for us or for ano...

We use a causative verb when we want to talk about something that someone else did for us.The form i...

A modal is a type of auxiliary (helping) verb that is used to express: ability, possibility, permiss...

The simple past tense, sometimes called the preterite, is used to talk about a completed action in a...

The present simple is a verb tense that is used to show repetition, habit, or generalization. It can...