Clarify the difference between different verb tenses with a short, informative language arts video. The instructor guides learners through past, present, and future simple tenses; as well as the perfect, progressive, and perfect...

Take a look at an in depth video to learn all there is to know about conjugating verbs. Find out what conjugating verbs are, why we conjugate verbs, and all the rules to properly form grammatically correct sentences. After gaining much...

You don't need a time machine to travel through time—you just need the English language! Explore the 12 possible ways to describe something that happened, something that is still happening, or something that will happen with an engaging...

An understanding of verb tense will make you into a TIME WIZARD, with the ability to control the past, the present, and the future - with your words, anyway.

This video explains simple verb tenses, then continues to focus on present tense verbs.

This lesson goes over the main English verb tenses. This tutorial lesson shares a short screencast with the lesson's content. [7:41]

This video focuses on verb tenses which are used to show when an action occurs, whether it is in the past, the present, or the future.

If verb tense allows you to control the past, the present, and the future, then aspect gives you even finer control over time. David, Khan Academy's resident grammarian, explains.

Links to three different songs about tenses, one present, one past, and one future.

Verb aspect allows a speaker to give even more information about when an event took place or is going to take place. The simple aspect of a verb is the same as its past, present, and future tenses, such as 'I walked,' 'I walk,' and 'I...

Rock into action with this grammar song about verbs. The song teaches that a verb is "what's happening." There are multiple examples of action words. The song also teaches about a verb as a state of being. This song makes you want to move!

You use the perfect verb aspect to express when an action is completed, like 'I have done the dishes.'

We use the perfect progressive aspect to talk about an action that was once ongoing, but has since completed, like 'I had been waiting for twenty minutes.'