English verb conjugation
COULD IMMUNIZE

Regular verb: immunize - immunized - immunized

Affirmation

Simple form	V-ing form
I could immunize you could immunize he could immunize we could immunize you could immunize they could immunize	I could be immunizing you could be immunizing he could be immunizing we could be immunizing you could be immunizing they could be immunizing
Perfect	V-ing perfect
I could have immunized you could have immunized he could have immunized we could have immunized you could have immunized they could have immunized	I could have been immunizing you could have been immunizing he could have been immunizing we could have been immunizing you could have been immunizing they could have been immunizing

Negation

Simple form	V-ing form
I couldn't immunize you couldn't immunize he couldn't immunize we couldn't immunize you couldn't immunize they couldn't immunize	I couldn't be immunizing you couldn't be immunizing he couldn't be immunizing we couldn't be immunizing you couldn't be immunizing they couldn't be immunizing
Perfect	V-ing perfect
I couldn't have immunized you couldn't have immunized he couldn't have immunized we couldn't have immunized you couldn't have immunized they couldn't have immunized	I couldn't have been immunizing you couldn't have been immunizing he couldn't have been immunizing we couldn't have been immunizing you couldn't have been immunizing they couldn't have been immunizing

Interrogative form

Simple form	V-ing form
could I immunize? could you immunize? could he immunize? could we immunize? could you immunize? could they immunize?	could I be immunizing? could you be immunizing? could he be immunizing? could we be immunizing? could you be immunizing? could they be immunizing?
Perfect	V-ing perfect
could I have immunized? could you have immunized? could he have immunized? could we have immunized? could you have immunized? could they have immunized?	could I have been immunizing? could you have been immunizing? could he have been immunizing? could we have been immunizing? could you have been immunizing? could they have been immunizing?

Interro-negative form

Simple form	V-ing form
couldn't I immunize? couldn't you immunize? couldn't he immunize? couldn't we immunize? couldn't you immunize? couldn't they immunize?	couldn't I be immunizing? couldn't you be immunizing? couldn't he be immunizing? couldn't we be immunizing? couldn't you be immunizing? couldn't they be immunizing?
Perfect	V-ing perfect
couldn't I have immunized? couldn't you have immunized? couldn't he have immunized? couldn't we have immunized? couldn't you have immunized? couldn't they have immunized?	couldn't I have been immunizing? couldn't you have been immunizing? couldn't he have been immunizing? couldn't we have been immunizing? couldn't you have been immunizing? couldn't they have been immunizing?