logo

Other forms without ? | do not stiffen | female gender | contraction
Modal : no | may | might | can | could | shall | should | will | would | must | ought to

English verb conjugation TO STIFFEN

Regular verb: stiffen - stiffened - stiffened

Indicative

Present
do I stiffen?
do you stiffen?
does he stiffen?
do we stiffen?
do you stiffen?
do they stiffen?
Present continuous
am I stiffening?
are you stiffening?
is he stiffening?
are we stiffening?
are you stiffening?
are they stiffening?
Preterite
did I stiffen?
did you stiffen?
did he stiffen?
did we stiffen?
did you stiffen?
did they stiffen?
Preterite continuous
was I stiffening?
were you stiffening?
was he stiffening?
were we stiffening?
were you stiffening?
were they stiffening?
Present perfect
have I stiffened?
have you stiffened?
has he stiffened?
have we stiffened?
have you stiffened?
have they stiffened?
Present perfect continuous
have I been stiffening?
have you been stiffening?
has he been stiffening?
have we been stiffening?
have you been stiffening?
have they been stiffening?
Pluperfect
had I stiffened?
had you stiffened?
had he stiffened?
had we stiffened?
had you stiffened?
had they stiffened?
Pluperfect continuous
had I been stiffening?
had you been stiffening?
had he been stiffening?
had we been stiffening?
had you been stiffening?
had they been stiffening?
Future
will I stiffen?
will you stiffen?
will he stiffen?
will we stiffen?
will you stiffen?
will they stiffen?
Future continuous
will I be stiffening?
will you be stiffening?
will he be stiffening?
will we be stiffening?
will you be stiffening?
will they be stiffening?
Future perfect
will I have stiffened?
will you have stiffened?
will he have stiffened?
will we have stiffened?
will you have stiffened?
will they have stiffened?
Future perfect continuous
will I have been stiffening?
will you have been stiffening?
will he have been stiffening?
will we have been stiffening?
will you have been stiffening?
will they have been stiffening?

Conditional

Present
would I stiffen?
would you stiffen?
would he stiffen?
would we stiffen?
would you stiffen?
would they stiffen?
Present continuous
would I be stiffening?
would you be stiffening?
would he be stiffening?
would we be stiffening?
would you be stiffening?
would they be stiffening?
Past
would I have stiffened?
would you have stiffened?
would he have stiffened?
would we have stiffened?
would you have stiffened?
would they have stiffened?
Past continuous
would I have been stiffening?
would you have been stiffening?
would he have been stiffening?
would we have been stiffening?
would you have been stiffening?
would they have been stiffening?

Imperative

Imperative
-
-
-
 
 
 

Infinitive

Infinitive
to stiffen
 
 
 

Participle

Present
stiffening
Past
stiffened