to strengthen
Regular verb: strengthen - strengthened- strengthened

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

Conditional 	
Present 	Present continuous 	Past 	Past continuous 	
would I not strengthen?
would you not strengthen?
would she not strengthen?
would we not strengthen?
would you not strengthen?
would they not strengthen? 	would I not be strengthening?
would you not be strengthening?
would she not be strengthening?
would we not be strengthening?
would you not be strengthening?
would they not be strengthening? 	would I not have strengthened?
would you not have strengthened?
would she not have strengthened?
would we not have strengthened?
would you not have strengthened?
would they not have strengthened? 	would I not have been strengthening?
would you not have been strengthening?
would she not have been strengthening?
would we not have been strengthening?
would you not have been strengthening?
would they not have been strengthening? 	

Infinitive 	
Imperative 	
Infinitive 	 	Imperative 	 	
to strengthen 	 	-
-
- 	 	

Participle 	
Present 	Past 	 	 	
strengthening	strengthened