to jackknife
Regular verb: jackknife - jackknifed- jackknifed

Indicative 	
Present 	Present continuous 	Preterite 	Preterite continuous 	
 do I not jackknife?
do you not jackknife?
doesshe not jackknife?
do we not jackknife?
do you not jackknife?
do they not jackknife? 	amI not jackknifing?
areyou not jackknifing?
isshe not jackknifing?
arewe not jackknifing?
areyou not jackknifing?
arethey not jackknifing? 	did I not jackknife?
did you not jackknife?
did she not jackknife?
did we not jackknife?
did you not jackknife?
did they not jackknife? 	wasI not jackknifing?
wereyou not jackknifing?
wasshe not jackknifing?
werewe not jackknifing?
wereyou not jackknifing?
werethey not jackknifing? 	
Present perfect 	Present perfect continuous 	Pluperfect 	Pluperfect continuous 	
 have I not jackknifed?
have you not jackknifed?
hasshe not jackknifed?
have we not jackknifed?
have you not jackknifed?
have they not jackknifed? 	 have I not been jackknifing?
have you not been jackknifing?
hasshe not been jackknifing?
have we not been jackknifing?
have you not been jackknifing?
have they not been jackknifing? 	had I not jackknifed?
had you not jackknifed?
had she not jackknifed?
had we not jackknifed?
had you not jackknifed?
had they not jackknifed? 	had I not been jackknifing?
had you not been jackknifing?
had she not been jackknifing?
had we not been jackknifing?
had you not been jackknifing?
had they not been jackknifing? 	
Future 	Future continuous 	Future perfect 	Future perfect continuous 	
will I not jackknife?
will you not jackknife?
will she not jackknife?
will we not jackknife?
will you not jackknife?
will they not jackknife? 	will I not be jackknifing?
will you not be jackknifing?
will she not be jackknifing?
will we not be jackknifing?
will you not be jackknifing?
will they not be jackknifing? 	will I not have jackknifed?
will you not have jackknifed?
will she not have jackknifed?
will we not have jackknifed?
will you not have jackknifed?
will they not have jackknifed? 	will I not have been jackknifing?
will you not have been jackknifing?
will she not have been jackknifing?
will we not have been jackknifing?
will you not have been jackknifing?
will they not have been jackknifing? 	

Conditional 	
Present 	Present continuous 	Past 	Past continuous 	
would I not jackknife?
would you not jackknife?
would she not jackknife?
would we not jackknife?
would you not jackknife?
would they not jackknife? 	would I not be jackknifing?
would you not be jackknifing?
would she not be jackknifing?
would we not be jackknifing?
would you not be jackknifing?
would they not be jackknifing? 	would I not have jackknifed?
would you not have jackknifed?
would she not have jackknifed?
would we not have jackknifed?
would you not have jackknifed?
would they not have jackknifed? 	would I not have been jackknifing?
would you not have been jackknifing?
would she not have been jackknifing?
would we not have been jackknifing?
would you not have been jackknifing?
would they not have been jackknifing? 	

Infinitive 	
Imperative 	
Infinitive 	 	Imperative 	 	
to jackknife 	 	-
-
- 	 	

Participle 	
Present 	Past 	 	 	
jackknifing	jackknifed