This document contains information about the simple present, present continuous, and simple past tenses in English. It provides examples of affirmative, negative, and interrogative sentences in each tense. For the simple present tense, it discusses using regular and irregular verbs. For the simple past tense, it notes exceptions for verbs ending in "e", consonant+consonant, and consonant+y. The present continuous tense section gives the sentence structures for affirmative, negative, and interrogative examples.

1. CETis 109Ulises bautista MaldonadoEduardo cabreraChristian Trejo GutiérrezRamos Vázquez Arnol Rodolfo4º. “L” InformáticaEnglish 4Teacher: María del Pilar Aguilar HernándezWork: simple present tense, simple past tense and

2. Simple Present Tense Is the tense of this (and not perfective aspect) expressing habitual action, that is, habits, routines in daily life. It differs from the present perfect in the latter has perfective aspect, and the present continuous in that the other is progressive aspect.

3. Examples:I play tennis.She does not play tennis.Does he play tennis? The train leaves every morning at 8 AM.The train does not leave at 9 AM.When does the train usually leave? She always forgets her purse.He never forgets his wallet.Every twelve months, the Earth circles the Sun.Does the Sun circle the Earth?

4. StructureFORM[VERB] + s/es in third personExamples:You speak English.Do you speak English?You do not speak English.

6. Affirmative SentencesSujeto + verbo principal.Examples:I talk. (Yo hablo.)He eats. (Él come.)They learn. (Ellos aprenden.)Negative SentencesSujeto + verbo auxiliar ("to do") + auxiliar negativo ("not") + verbo principal.Examples:I do not [don't] talk. (Yo no hablo.)

7. He does not [doesn't] eat. (Él no come.)

8. They do not [don't] learn. (Ellos no aprenden.)Interrogative SentencesEstructura Verbo auxiliar ("to do") + sujeto + verbo principal?Examples: Do you talk? (¿Hablas tu?)

9. Does he eat? (¿Come él?)

10. Do they learn? (¿Aprenden ellos?) Simple Past TenseThe simple past is often used to refer to actions that took place at a particular time in the past. In this case particles are used as yesterday or last year

11. Examples:want -> wantedlearn -> learnedstay -> stayedwalk -> walkedshow -> showed

12. Exceptions 1. For verbs ending in "e ", just add "-d. * Examples: * change -> changed * Believe -> Believed 2. If the verb ends in a short vowel and a consonant (except “y " or "w "), we double the final consonant. * Examples: * stop -> stopped * Commit -> Committed 3. With verbs that end in a consonant and a "y ", change the "y "to an "i ". * Examples: * Study -> studied * try -> tried

13. StructureAffirmative Sentences (Frases afirmativas)Sujeto + verbo principal.Examples:I wanted to dance. (Quería bailar.)Shewas a doctor. (Era doctora.)They learnedEnglish. (Aprendieron inglés.)Webelievedhim. (Le creímos.)

14. Negative Sentences (Frases negativas)Sujeto + verbo auxiliar ("to do") + "not" + verbo principal.Examples:I didn'twant to dance. (No quería bailar.)Shewasn't a doctor. (No era doctora.)They didn't learn English. (No aprendieron inglés)Wedidn'tbelievehim. (No le creímos.)

15. Interrogative Sentences (Frases interrogativas)Verbo auxiliar ("to do") + sujeto + verbo principal?Examples:Did you want to dance? (¿Querías bailar?)Wasshe a doctor? (¿Era doctora?)Did they learn English? (¿Aprendieron ingles?)Did you believehim? (¿Le creíste?)

16. Present Continuous The English present continuous is used for actions that are being made at the time in which we speak.

17. Examples:

18. Structure:Affirmative Sentences Estructura Sujeto + verbo auxiliar ("to be") + participio presente.Examples:I'm talking. (Estoy hablando.)He's eating. (Está comiendo.)They're learning. (Están aprendiendo.)

19. Negative Sentences Estructura Sujeto + verbo auxiliar ("to be") + auxiliar negativo ("not") + participio presente.Examples:I'm not talking. (No estoy hablando.)He's not [He isn't] eating. (No está comiendo.)They're not [They aren't] learning. (No están aprendiendo.)