Affirmative Sentences

1. Subject + verb in infinitive ending in -ed + complements, the structure is from the verbal tense
4. The sentence "Joe is here" would be a sentence
8. It is often used to show repetitive or habitual actions and general truths. It is also used to tell about an activity that is happening now and to introduce quotes.
10. describes an event that has already completed before another event in the past. To form this tense, use the word had and then add it with the past participle of a verb.
12. They often employ auxiliary verbs, such as has, have, and had, which are then added with a verb in its past participle form.
13. It is one that expresses that some action is not occurring, something no longer exists or that a subject does not possess a particular quality.
14. are a grammatical category that expresses references to time

2. expresses the validity or truth of a basic statement, while a negative form expresses its falsity
3. It generally uses auxiliary verbs in past forms, such as was and are, before the present participle form of the main verb.
5. negative Subject + auxiliary did + not + verb in infinitive + complement = You did not close the door, the verb tense of the structure is...
6. Haven't you booked a taxi yet? is an example of a sentence...
7. indicates an action that will surely happen. You generally use the words will and should emphasize that it will still happen in the future.
9. progressive-tense They express the duration or how long an action is performed. That is why it usually includes the adverbs for and since.
10. This tense is applied when talking about an action that has already occurred. Most past tense verbs contain an added “-d” or “-ed” after their base form, while some spelling changes.
11. It is easy to identify since it uses the present participle form of verbs, which are those that end in “-ing” and are used as main action words.