English verb conjugation
CAN STRAITEN

Regular verb: straiten - straitened - straitened

Affirmation

Simple form	V-ing form
I can straiten you can straiten she can straiten we can straiten you can straiten they can straiten	I can be straitening you can be straitening she can be straitening we can be straitening you can be straitening they can be straitening
Perfect	V-ing perfect
I can have straitened you can have straitened she can have straitened we can have straitened you can have straitened they can have straitened	I can have been straitening you can have been straitening she can have been straitening we can have been straitening you can have been straitening they can have been straitening

Negation

Simple form	V-ing form
I can't straiten you can't straiten she can't straiten we can't straiten you can't straiten they can't straiten	I can't be straitening you can't be straitening she can't be straitening we can't be straitening you can't be straitening they can't be straitening
Perfect	V-ing perfect
I can't have straitened you can't have straitened she can't have straitened we can't have straitened you can't have straitened they can't have straitened	I can't have been straitening you can't have been straitening she can't have been straitening we can't have been straitening you can't have been straitening they can't have been straitening

Interrogative form

Simple form	V-ing form
can I straiten? can you straiten? can she straiten? can we straiten? can you straiten? can they straiten?	can I be straitening? can you be straitening? can she be straitening? can we be straitening? can you be straitening? can they be straitening?
Perfect	V-ing perfect
can I have straitened? can you have straitened? can she have straitened? can we have straitened? can you have straitened? can they have straitened?	can I have been straitening? can you have been straitening? can she have been straitening? can we have been straitening? can you have been straitening? can they have been straitening?

Interro-negative form

Simple form	V-ing form
can't I straiten? can't you straiten? can't she straiten? can't we straiten? can't you straiten? can't they straiten?	can't I be straitening? can't you be straitening? can't she be straitening? can't we be straitening? can't you be straitening? can't they be straitening?
Perfect	V-ing perfect
can't I have straitened? can't you have straitened? can't she have straitened? can't we have straitened? can't you have straitened? can't they have straitened?	can't I have been straitening? can't you have been straitening? can't she have been straitening? can't we have been straitening? can't you have been straitening? can't they have been straitening?