English verb conjugation
COULD MICROGRAPH

Regular verb: micrograph - micrographed - micrographed

Affirmation

Simple form	V-ing form
I could micrograph you could micrograph she could micrograph we could micrograph you could micrograph they could micrograph	I could be micrographing you could be micrographing she could be micrographing we could be micrographing you could be micrographing they could be micrographing
Perfect	V-ing perfect
I could have micrographed you could have micrographed she could have micrographed we could have micrographed you could have micrographed they could have micrographed	I could have been micrographing you could have been micrographing she could have been micrographing we could have been micrographing you could have been micrographing they could have been micrographing

Negation

Simple form	V-ing form
I couldn't micrograph you couldn't micrograph she couldn't micrograph we couldn't micrograph you couldn't micrograph they couldn't micrograph	I couldn't be micrographing you couldn't be micrographing she couldn't be micrographing we couldn't be micrographing you couldn't be micrographing they couldn't be micrographing
Perfect	V-ing perfect
I couldn't have micrographed you couldn't have micrographed she couldn't have micrographed we couldn't have micrographed you couldn't have micrographed they couldn't have micrographed	I couldn't have been micrographing you couldn't have been micrographing she couldn't have been micrographing we couldn't have been micrographing you couldn't have been micrographing they couldn't have been micrographing

Interrogative form

Simple form	V-ing form
could I micrograph? could you micrograph? could she micrograph? could we micrograph? could you micrograph? could they micrograph?	could I be micrographing? could you be micrographing? could she be micrographing? could we be micrographing? could you be micrographing? could they be micrographing?
Perfect	V-ing perfect
could I have micrographed? could you have micrographed? could she have micrographed? could we have micrographed? could you have micrographed? could they have micrographed?	could I have been micrographing? could you have been micrographing? could she have been micrographing? could we have been micrographing? could you have been micrographing? could they have been micrographing?

Interro-negative form

Simple form	V-ing form
couldn't I micrograph? couldn't you micrograph? couldn't she micrograph? couldn't we micrograph? couldn't you micrograph? couldn't they micrograph?	couldn't I be micrographing? couldn't you be micrographing? couldn't she be micrographing? couldn't we be micrographing? couldn't you be micrographing? couldn't they be micrographing?
Perfect	V-ing perfect
couldn't I have micrographed? couldn't you have micrographed? couldn't she have micrographed? couldn't we have micrographed? couldn't you have micrographed? couldn't they have micrographed?	couldn't I have been micrographing? couldn't you have been micrographing? couldn't she have been micrographing? couldn't we have been micrographing? couldn't you have been micrographing? couldn't they have been micrographing?