write the correct form of verb in the present and preterite

1 yo no venir en febrero
2 quere usted luchar por la democracia
3 ellas venir a las nueve

1. Presente: Yo no vengo en febrero. Preterito: Yo no vine en febrero.

2. Presente: ¿Quiere usted luchar por la democracia? Preterito: ¿Quiso usted luchar por la democracia?
3. Presente: Ellas vienen a las nueve. Preterito: Ellas vinieron a las nueve.

1. Yo no vengo en febrero. (Presente)

To find the correct form of the verb "venir" in the present, you should consider the subject pronoun "yo" which corresponds to the first-person singular. Then, use the stem "ven-" and add the appropriate ending for the present tense of the verb "venir," which is "-o" for the first-person singular. Therefore, the correct form is "vengo."

Yo no vine en febrero. (Preterite)
To form the preterite tense of the verb "venir," you need to use the stem "vin-" and add the appropriate ending for the first-person singular, "yo." In this case, the ending is "-e." Therefore, the correct form is "vine."

2. ¿Quiere usted luchar por la democracia? (Presente)
To determine the correct form of the verb "querer" in the present, you need to consider the subject pronoun "usted" which corresponds to the second-person singular formal. Use the stem "quer-" and add the appropriate ending for the present tense of the verb "querer," which is "-e" for the second-person singular formal. So, the correct form is "quiere."

3. Ellas vienen a las nueve. (Presente)
To form the present tense of the verb "venir" for the subject pronoun "ellas" (third-person plural), use the stem "ven-" and add the appropriate ending, which is "-en" for the third-person plural. Consequently, the correct form is "vienen."

Ellas vinieron a las nueve. (Preterite)
To form the preterite tense of the verb "venir" for the subject pronoun "ellas" (third-person plural), utilize the stem "vin-" and add the appropriate ending for the third-person plural, "-ieron." Hence, the correct form is "vinieron."