English verb conjugation
CAN ABSTRACT

Regular verb: abstract - abstracted - abstracted

Affirmation

Simple form	V-ing form
I can abstract you can abstract he can abstract we can abstract you can abstract they can abstract	I can be abstracting you can be abstracting he can be abstracting we can be abstracting you can be abstracting they can be abstracting
Perfect	V-ing perfect
I can have abstracted you can have abstracted he can have abstracted we can have abstracted you can have abstracted they can have abstracted	I can have been abstracting you can have been abstracting he can have been abstracting we can have been abstracting you can have been abstracting they can have been abstracting

Negation

Simple form	V-ing form
I can't abstract you can't abstract he can't abstract we can't abstract you can't abstract they can't abstract	I can't be abstracting you can't be abstracting he can't be abstracting we can't be abstracting you can't be abstracting they can't be abstracting
Perfect	V-ing perfect
I can't have abstracted you can't have abstracted he can't have abstracted we can't have abstracted you can't have abstracted they can't have abstracted	I can't have been abstracting you can't have been abstracting he can't have been abstracting we can't have been abstracting you can't have been abstracting they can't have been abstracting

Interrogative form

Simple form	V-ing form
can I abstract? can you abstract? can he abstract? can we abstract? can you abstract? can they abstract?	can I be abstracting? can you be abstracting? can he be abstracting? can we be abstracting? can you be abstracting? can they be abstracting?
Perfect	V-ing perfect
can I have abstracted? can you have abstracted? can he have abstracted? can we have abstracted? can you have abstracted? can they have abstracted?	can I have been abstracting? can you have been abstracting? can he have been abstracting? can we have been abstracting? can you have been abstracting? can they have been abstracting?

Interro-negative form

Simple form	V-ing form
can't I abstract? can't you abstract? can't he abstract? can't we abstract? can't you abstract? can't they abstract?	can't I be abstracting? can't you be abstracting? can't he be abstracting? can't we be abstracting? can't you be abstracting? can't they be abstracting?
Perfect	V-ing perfect
can't I have abstracted? can't you have abstracted? can't he have abstracted? can't we have abstracted? can't you have abstracted? can't they have abstracted?	can't I have been abstracting? can't you have been abstracting? can't he have been abstracting? can't we have been abstracting? can't you have been abstracting? can't they have been abstracting?