Regular verb: stiffen - stiffened - stiffened
Simple form | V-ing form |
I might stiffen you might stiffen she might stiffen we might stiffen you might stiffen they might stiffen | I might be stiffening you might be stiffening she might be stiffening we might be stiffening you might be stiffening they might be stiffening |
Perfect | V-ing perfect |
I might have stiffened you might have stiffened she might have stiffened we might have stiffened you might have stiffened they might have stiffened | I might have been stiffening you might have been stiffening she might have been stiffening we might have been stiffening you might have been stiffening they might have been stiffening |
Simple form | V-ing form |
I mightn't stiffen you mightn't stiffen she mightn't stiffen we mightn't stiffen you mightn't stiffen they mightn't stiffen | I mightn't be stiffening you mightn't be stiffening she mightn't be stiffening we mightn't be stiffening you mightn't be stiffening they mightn't be stiffening |
Perfect | V-ing perfect |
I mightn't have stiffened you mightn't have stiffened she mightn't have stiffened we mightn't have stiffened you mightn't have stiffened they mightn't have stiffened | I mightn't have been stiffening you mightn't have been stiffening she mightn't have been stiffening we mightn't have been stiffening you mightn't have been stiffening they mightn't have been stiffening |
Simple form | V-ing form |
might I stiffen? might you stiffen? might she stiffen? might we stiffen? might you stiffen? might they stiffen? | might I be stiffening? might you be stiffening? might she be stiffening? might we be stiffening? might you be stiffening? might they be stiffening? |
Perfect | V-ing perfect |
might I have stiffened? might you have stiffened? might she have stiffened? might we have stiffened? might you have stiffened? might they have stiffened? | might I have been stiffening? might you have been stiffening? might she have been stiffening? might we have been stiffening? might you have been stiffening? might they have been stiffening? |
Simple form | V-ing form |
mightn't I stiffen? mightn't you stiffen? mightn't she stiffen? mightn't we stiffen? mightn't you stiffen? mightn't they stiffen? | mightn't I be stiffening? mightn't you be stiffening? mightn't she be stiffening? mightn't we be stiffening? mightn't you be stiffening? mightn't they be stiffening? |
Perfect | V-ing perfect |
mightn't I have stiffened? mightn't you have stiffened? mightn't she have stiffened? mightn't we have stiffened? mightn't you have stiffened? mightn't they have stiffened? | mightn't I have been stiffening? mightn't you have been stiffening? mightn't she have been stiffening? mightn't we have been stiffening? mightn't you have been stiffening? mightn't they have been stiffening? |