English verb conjugation
CAN TRADEMARK

Regular verb: trademark - trademarked - trademarked

Affirmation

Simple form	V-ing form
I can trademark you can trademark she can trademark we can trademark you can trademark they can trademark	I can be trademarking you can be trademarking she can be trademarking we can be trademarking you can be trademarking they can be trademarking
Perfect	V-ing perfect
I can have trademarked you can have trademarked she can have trademarked we can have trademarked you can have trademarked they can have trademarked	I can have been trademarking you can have been trademarking she can have been trademarking we can have been trademarking you can have been trademarking they can have been trademarking

Negation

Simple form	V-ing form
I cannot trademark you cannot trademark she cannot trademark we cannot trademark you cannot trademark they cannot trademark	I cannot be trademarking you cannot be trademarking she cannot be trademarking we cannot be trademarking you cannot be trademarking they cannot be trademarking
Perfect	V-ing perfect
I cannot have trademarked you cannot have trademarked she cannot have trademarked we cannot have trademarked you cannot have trademarked they cannot have trademarked	I cannot have been trademarking you cannot have been trademarking she cannot have been trademarking we cannot have been trademarking you cannot have been trademarking they cannot have been trademarking

Interrogative form

Simple form	V-ing form
can I trademark? can you trademark? can she trademark? can we trademark? can you trademark? can they trademark?	can I be trademarking? can you be trademarking? can she be trademarking? can we be trademarking? can you be trademarking? can they be trademarking?
Perfect	V-ing perfect
can I have trademarked? can you have trademarked? can she have trademarked? can we have trademarked? can you have trademarked? can they have trademarked?	can I have been trademarking? can you have been trademarking? can she have been trademarking? can we have been trademarking? can you have been trademarking? can they have been trademarking?

Interro-negative form

Simple form	V-ing form
can I not trademark? can you not trademark? can she not trademark? can we not trademark? can you not trademark? can they not trademark?	can I not be trademarking? can you not be trademarking? can she not be trademarking? can we not be trademarking? can you not be trademarking? can they not be trademarking?
Perfect	V-ing perfect
can I not have trademarked? can you not have trademarked? can she not have trademarked? can we not have trademarked? can you not have trademarked? can they not have trademarked?	can I not have been trademarking? can you not have been trademarking? can she not have been trademarking? can we not have been trademarking? can you not have been trademarking? can they not have been trademarking?