1.1. In interrogative sentences, the auxiliary verb do or does is placed at the beginning of the sentence followed by the subject, the main verb and in some cases a complement is added.
1.2. Example:
1.3. 1.- Do I work in a factory? 2.- Do you work in a factory? 3.- Does he work in a factory? 4.- Does she work in a factory?
1.4. 2.-
2. The present simple is a verb tense equivalent to the present indicative of verbs in Spanish: I sing, you sing, he sings, etc.
3. Positive form
3.1. In affirmative sentences, the same form of the verb is maintained with all the pronouns, except for he, she and it.
3.2. Example: 1.- I work in a factory. 2.- You work in a factory. 3.- He works in a factory. 4.- She works in a factory.
4. Negative form
4.1. In negative sentences we add the auxiliary verb do followed by the particle not between the subject and the main verb, although for he, she and it the form does followed by the particle not will be used.:
4.2. Example: 1.- I don't work in a factory 2.- You don't work in a factory. 3.- He doesn't work in a factory. 4.- She doesn't work in a factory.
