Verbs tense

Nota:

• To conjugate the present simple to use the infinitive subjects "I", "you", "we" and "they" and another for "he", "she" and "it", we added a "-s" to end of the verb.

1. Structure
   1. Interrogative Sentences: Auxiliary verb ("to do") + subject + main verb. Example: Do you talk? Does he eat? Do they learn?
   2. Negative Sentences: Subject + auxiliary verb ("to do") + auxiliary negative ("not") + main verb. Example: I do not (don't) talk. he does not (doesn't) eats. tehy do not (don't) learn.
      1. Uses: The simple present is used things that usually happen. to talk about
   3. Affirmative Sentences: Subject + main verb. example: I talk. He eats. They learn.

Nota:

• To form the perfect present, the auxiliary verb "to have" in the present and the past participle of the verb is used.

1. Structure
   1. Affirmative Sentences: Subject + verb auxiliary ("to have") + past participle.. Example: I've talked to Peter. She's gone to work. We've been to London.
   2. Negative Sentences: Subject + auxiliary verb ("to have") + "not" + past participle. Example: I haven't talked to Peter. She hasn't gone to work. We haven't been to London.
      1. Uses: The present perfect is used to describe an experience.We do not use for specific actions. Example: I have never flown in a plane.
   3. Interrogative Sentences: Auxiliary verb ("to have") + subject + past participle ...? Example: Have you talked to Peter? Has she gone to work? Have you been to London?

Nota:

• As in the present perfect, we use the auxiliary verb "to have" plus "been" (the past participle of the verb "to be") and the gerund of the verb.

1. Structure
   1. Affirmative Sentences: Subject + auxiliary verb ("to have") + "been" + gerund. Example: They've been talking for three hours. She has been studying English since she was 16.
   2. Negative Sentences: Auxiliary verb ("to have") + subject + "been" + gerund? Example: They haven't been talking for more than a few minutes. She hasn't been studying English for very long.
      1. Uses: We use this time when we want to express the sense of the continuity of an action that has started in the past and that still lasts in this or that just ended.
   3. Interrogative Sentences: Auxiliary verb ("to have") + subject + "been" + gerund? Example: Have they been talking for a long time? Has Mary been waiting long?

Nota:

• To form the past simple regular verbs, add the ending "-ed" to the verb. The form is the same for all persons (I, you, he, she, it, we, They). Example:  want → wanted learn → learned stay → stayed walk → walkedshow →showed

1. Structure
   1. Affirmative Sentences: Subject + main verb. Example: She was a doctor. The keys were in the drawer. I wanted to dance.
   2. Negative Sentences: With the verb to be: Subject + "to be" + "not". Example: She wasn't a doctor. The keys weren't in the drawer. All other verbs: Subject + auxiliary verb ("to do") + "not" + main verb. Example: Subject + auxiliary verb ("to do") + "not" + main verb. Example: I didn't want to dance. He didn't learn English.
      1. Uses: The simple past is used to talk about a specific action that began and ended in the past.
   3. Interrogative Sentences: With the verd to be: "To be" + sujeto...? Example: Was she a doctor? Were the keys in the drawer? All other verbs: Auxiliary verb ("to do") + subject + main verb ...? Example: Did you want to dance? Did he learn English?
2. Exceptions: 1 For verbs that end in "e", only add "-d. Examples: change → changed 2 If the verb ends in a short vowel and a consonant (except "and" or "w"), double the final consonant. Examples: stop → stopped. 3 With verbs that end in a consonant and a "and" change the "y" with an "i". Examples: study → studied

Nota:

• As in the present perfect, the past perfect is formed with the auxiliary verb "to have" and the past participle. The auxiliary verb is in the past.

1. Structure
   1. Affirmative Sentences: Subject + "had" + past participle. Example: I'd visited the Louvre before so I knew where the Mona Lisa was.
   2. Negative Sentences: Subject + "had" + "not" + past participle. Example: I hadn't visited the Louvre before so I didn't know where the Mona Lisa was.
      1. Uses: We use the right to refer to an action or event that started in the past and that is before another action also in the past past.
   3. Interrogative Sentences: "Had" + subject + past participle ...? Example: How did you know where the Mona Lisa was? Had you visited the Louvre before?

Nota:

• To be continued past the auxiliary verb "to be" and the gerund (infinitive + "-ing") of the verb is used. The auxiliary verb "to be" is in the simple past, but keep in mind that "to be" is an irregular verb.

1. Structure
   1. Affirmative Sentences: Subject + auxiliary verb ("to be") + gerund. Example: I was talking. They were learning.
   2. Negative Sentences: Subject + auxiliary verb ("to be") + "not" + gerund. Example: I was not [wasn't] talking. They were not [weren't] learning.
      1. Uses:The past continuous use it for a long action and in the past was interrupted.
   3. Interrogative Sentences: Auxiliary verb ("to be") + subject + gerund? Example: Were you talking?Were you talking? Was he eating? Were they learning?