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 cannot harrow you cannot harrow she cannot harrow we cannot harrow you cannot harrow they cannot harrow	I cannot be harrowing you cannot be harrowing she cannot be harrowing we cannot be harrowing you cannot be harrowing they cannot be harrowing
Perfect	V-ing perfect
I cannot have harrowed you cannot have harrowed she cannot have harrowed we cannot have harrowed you cannot have harrowed they cannot have harrowed	I cannot have been harrowing you cannot have been harrowing she cannot have been harrowing we cannot have been harrowing you cannot have been harrowing they cannot 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 I not harrow? can you not harrow? can she not harrow? can we not harrow? can you not harrow? can they not harrow?	can I not be harrowing? can you not be harrowing? can she not be harrowing? can we not be harrowing? can you not be harrowing? can they not be harrowing?
Perfect	V-ing perfect
can I not have harrowed? can you not have harrowed? can she not have harrowed? can we not have harrowed? can you not have harrowed? can they not have harrowed?	can I not have been harrowing? can you not have been harrowing? can she not have been harrowing? can we not have been harrowing? can you not have been harrowing? can they not have been harrowing?