English verb conjugation
CAN HARROW

Regular verb: harrow - harrowed - harrowed

Affirmation

Simple form	V-ing form
I can harrow you can harrow she can harrow we can harrow you can harrow they can harrow	I can be harrowing you can be harrowing she can be harrowing we can be harrowing you can be harrowing they can be harrowing
Perfect	V-ing perfect
I can have harrowed you can have harrowed she can have harrowed we can have harrowed you can have harrowed they can have harrowed	I can have been harrowing you can have been harrowing she can have been harrowing we can have been harrowing you can have been harrowing they can have been harrowing

Negation

Simple form	V-ing form
I can't harrow you can't harrow she can't harrow we can't harrow you can't harrow they can't harrow	I can't be harrowing you can't be harrowing she can't be harrowing we can't be harrowing you can't be harrowing they can't be harrowing
Perfect	V-ing perfect
I can't have harrowed you can't have harrowed she can't have harrowed we can't have harrowed you can't have harrowed they can't have harrowed	I can't have been harrowing you can't have been harrowing she can't have been harrowing we can't have been harrowing you can't have been harrowing they can't have been harrowing

Interrogative form

Simple form	V-ing form
can I harrow? can you harrow? can she harrow? can we harrow? can you harrow? can they harrow?	can I be harrowing? can you be harrowing? can she be harrowing? can we be harrowing? can you be harrowing? can they be harrowing?
Perfect	V-ing perfect
can I have harrowed? can you have harrowed? can she have harrowed? can we have harrowed? can you have harrowed? can they have harrowed?	can I have been harrowing? can you have been harrowing? can she have been harrowing? can we have been harrowing? can you have been harrowing? can they have been harrowing?

Interro-negative form

Simple form	V-ing form
can't I harrow? can't you harrow? can't she harrow? can't we harrow? can't you harrow? can't they harrow?	can't I be harrowing? can't you be harrowing? can't she be harrowing? can't we be harrowing? can't you be harrowing? can't they be harrowing?
Perfect	V-ing perfect
can't I have harrowed? can't you have harrowed? can't she have harrowed? can't we have harrowed? can't you have harrowed? can't they have harrowed?	can't I have been harrowing? can't you have been harrowing? can't she have been harrowing? can't we have been harrowing? can't you have been harrowing? can't they have been harrowing?