Mechanics

Negatives and Questions Across Time

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Present simple question/negative

do/does carries agreement · base verb

Present continuous

am/is/are carries agreement/present · verb-ing

Past simple question/negative

did carries past · base verb

Past continuous

was/were carries past/agreement · verb-ing

Future with will

will carries future · base verb

does work · is working · did work · was working · will work

Encuentra el carrier. Si ya marca tiempo o concordancia, el verbo principal no la repite. One carrier → licensed verb form → check.

Slide 28

Tips

Negatives and Questions Across Time

  1. Afirmativa simple presente/pasado es distinta: She works; she worked. Sin auxiliar, el verbo principal carga la marca.
  2. Pregunta/negativa: Does she work? She doesn’t work. Did she work? She didn’t work.
  3. Continuous mueve o niega be; future mueve o niega will. La forma léxica no cambia durante esa transformación.