to quarterback
Regular verb: quarterback - quarterbacked- quarterbacked

Indicative 	
Present 	Present continuous 	Preterite 	Preterite continuous 	
I quarterback
you quarterback
he quarterbacks
we quarterback
you quarterback
they quarterback 	I'mquarterbacking
you'requarterbacking
he'squarterbacking
we'requarterbacking
you'requarterbacking
they'requarterbacking	I quarterbacked
you quarterbacked
he quarterbacked
we quarterbacked
you quarterbacked
they quarterbacked	Iwasquarterbacking
youwerequarterbacking
hewasquarterbacking
wewerequarterbacking
youwerequarterbacking
theywerequarterbacking	
Present perfect 	Present perfect continuous 	Pluperfect 	Pluperfect continuous 	
I've quarterbacked
you've quarterbacked
he's quarterbacked
we've quarterbacked
you've quarterbacked
they've quarterbacked	I'vebeen quarterbacking
you'vebeen quarterbacking
he'sbeen quarterbacking
we'vebeen quarterbacking
you'vebeen quarterbacking
they'vebeen quarterbacking	I'd quarterbacked
you'd quarterbacked
he'd quarterbacked
we'd quarterbacked
you'd quarterbacked
they'd quarterbacked	I'd been quarterbacking
you'd been quarterbacking
he'd been quarterbacking
we'd been quarterbacking
you'd been quarterbacking
they'd been quarterbacking	
Future 	Future continuous 	Future perfect 	Future perfect continuous 	
I'll quarterback
you'll quarterback
he'll quarterback
we'll quarterback
you'll quarterback
they'll quarterback 	I'll be quarterbacking
you'll be quarterbacking
he'll be quarterbacking
we'll be quarterbacking
you'll be quarterbacking
they'll be quarterbacking	I'll have quarterbacked
you'll have quarterbacked
he'll have quarterbacked
we'll have quarterbacked
you'll have quarterbacked
they'll have quarterbacked	I'll have been quarterbacking
you'll have been quarterbacking
he'll have been quarterbacking
we'll have been quarterbacking
you'll have been quarterbacking
they'll have been quarterbacking	

Conditional 	
Present 	Present continuous 	Past 	Past continuous 	
I'd quarterback
you'd quarterback
he'd quarterback
we'd quarterback
you'd quarterback
they'd quarterback 	I'd be quarterbacking
you'd be quarterbacking
he'd be quarterbacking
we'd be quarterbacking
you'd be quarterbacking
they'd be quarterbacking	I'd have quarterbacked
you'd have quarterbacked
he'd have quarterbacked
we'd have quarterbacked
you'd have quarterbacked
they'd have quarterbacked	I'd have been quarterbacking
you'd have been quarterbacking
he'd have been quarterbacking
we'd have been quarterbacking
you'd have been quarterbacking
they'd have been quarterbacking	

Infinitive 	
Imperative 	
Infinitive 	 	Imperative 	 	
to quarterback 	 	quarterback
Let's quarterback
quarterback 	 	

Participle 	
Present 	Past 	 	 	
quarterbacking	quarterbacked