to back
Regular verb: back - backed- backed

Indicative 	
Present 	Present continuous 	Preterite 	Preterite continuous 	
I back
you back
she backs
we back
you back
they back 	I'mbacking
you'rebacking
she'sbacking
we'rebacking
you'rebacking
they'rebacking	I backed
you backed
she backed
we backed
you backed
they backed	Iwasbacking
youwerebacking
shewasbacking
wewerebacking
youwerebacking
theywerebacking	
Present perfect 	Present perfect continuous 	Pluperfect 	Pluperfect continuous 	
I've backed
you've backed
she's backed
we've backed
you've backed
they've backed	I'vebeen backing
you'vebeen backing
she'sbeen backing
we'vebeen backing
you'vebeen backing
they'vebeen backing	I'd backed
you'd backed
she'd backed
we'd backed
you'd backed
they'd backed	I'd been backing
you'd been backing
she'd been backing
we'd been backing
you'd been backing
they'd been backing	
Future 	Future continuous 	Future perfect 	Future perfect continuous 	
I'll back
you'll back
she'll back
we'll back
you'll back
they'll back 	I'll be backing
you'll be backing
she'll be backing
we'll be backing
you'll be backing
they'll be backing	I'll have backed
you'll have backed
she'll have backed
we'll have backed
you'll have backed
they'll have backed	I'll have been backing
you'll have been backing
she'll have been backing
we'll have been backing
you'll have been backing
they'll have been backing	

Conditional 	
Present 	Present continuous 	Past 	Past continuous 	
I'd back
you'd back
she'd back
we'd back
you'd back
they'd back 	I'd be backing
you'd be backing
she'd be backing
we'd be backing
you'd be backing
they'd be backing	I'd have backed
you'd have backed
she'd have backed
we'd have backed
you'd have backed
they'd have backed	I'd have been backing
you'd have been backing
she'd have been backing
we'd have been backing
you'd have been backing
they'd have been backing	

Infinitive 	
Imperative 	
Infinitive 	 	Imperative 	 	
to back 	 	back
Let's back
back 	 	

Participle 	
Present 	Past 	 	 	
backing	backed