English verb conjugation
CAN UNSTRAP

Regular verb: unstrap - unstrapped - unstrapped

Affirmation

Simple form	V-ing form
I can unstrap you can unstrap he can unstrap we can unstrap you can unstrap they can unstrap	I can be unstrapping you can be unstrapping he can be unstrapping we can be unstrapping you can be unstrapping they can be unstrapping
Perfect	V-ing perfect
I can have unstrapped you can have unstrapped he can have unstrapped we can have unstrapped you can have unstrapped they can have unstrapped	I can have been unstrapping you can have been unstrapping he can have been unstrapping we can have been unstrapping you can have been unstrapping they can have been unstrapping

Negation

Simple form	V-ing form
I cannot unstrap you cannot unstrap he cannot unstrap we cannot unstrap you cannot unstrap they cannot unstrap	I cannot be unstrapping you cannot be unstrapping he cannot be unstrapping we cannot be unstrapping you cannot be unstrapping they cannot be unstrapping
Perfect	V-ing perfect
I cannot have unstrapped you cannot have unstrapped he cannot have unstrapped we cannot have unstrapped you cannot have unstrapped they cannot have unstrapped	I cannot have been unstrapping you cannot have been unstrapping he cannot have been unstrapping we cannot have been unstrapping you cannot have been unstrapping they cannot have been unstrapping

Interrogative form

Simple form	V-ing form
can I unstrap? can you unstrap? can he unstrap? can we unstrap? can you unstrap? can they unstrap?	can I be unstrapping? can you be unstrapping? can he be unstrapping? can we be unstrapping? can you be unstrapping? can they be unstrapping?
Perfect	V-ing perfect
can I have unstrapped? can you have unstrapped? can he have unstrapped? can we have unstrapped? can you have unstrapped? can they have unstrapped?	can I have been unstrapping? can you have been unstrapping? can he have been unstrapping? can we have been unstrapping? can you have been unstrapping? can they have been unstrapping?

Interro-negative form

Simple form	V-ing form
can I not unstrap? can you not unstrap? can he not unstrap? can we not unstrap? can you not unstrap? can they not unstrap?	can I not be unstrapping? can you not be unstrapping? can he not be unstrapping? can we not be unstrapping? can you not be unstrapping? can they not be unstrapping?
Perfect	V-ing perfect
can I not have unstrapped? can you not have unstrapped? can he not have unstrapped? can we not have unstrapped? can you not have unstrapped? can they not have unstrapped?	can I not have been unstrapping? can you not have been unstrapping? can he not have been unstrapping? can we not have been unstrapping? can you not have been unstrapping? can they not have been unstrapping?