to fail
Regular verb: fail - failed- failed

Indicative 	
Present 	Present continuous 	Preterite 	Preterite continuous 	
I fail
you fail
she fails
we fail
you fail
they fail 	I'mfailing
you'refailing
she'sfailing
we'refailing
you'refailing
they'refailing	I failed
you failed
she failed
we failed
you failed
they failed	Iwasfailing
youwerefailing
shewasfailing
wewerefailing
youwerefailing
theywerefailing	
Present perfect 	Present perfect continuous 	Pluperfect 	Pluperfect continuous 	
I've failed
you've failed
she's failed
we've failed
you've failed
they've failed	I'vebeen failing
you'vebeen failing
she'sbeen failing
we'vebeen failing
you'vebeen failing
they'vebeen failing	I'd failed
you'd failed
she'd failed
we'd failed
you'd failed
they'd failed	I'd been failing
you'd been failing
she'd been failing
we'd been failing
you'd been failing
they'd been failing	
Future 	Future continuous 	Future perfect 	Future perfect continuous 	
I'll fail
you'll fail
she'll fail
we'll fail
you'll fail
they'll fail 	I'll be failing
you'll be failing
she'll be failing
we'll be failing
you'll be failing
they'll be failing	I'll have failed
you'll have failed
she'll have failed
we'll have failed
you'll have failed
they'll have failed	I'll have been failing
you'll have been failing
she'll have been failing
we'll have been failing
you'll have been failing
they'll have been failing	

Conditional 	
Present 	Present continuous 	Past 	Past continuous 	
I'd fail
you'd fail
she'd fail
we'd fail
you'd fail
they'd fail 	I'd be failing
you'd be failing
she'd be failing
we'd be failing
you'd be failing
they'd be failing	I'd have failed
you'd have failed
she'd have failed
we'd have failed
you'd have failed
they'd have failed	I'd have been failing
you'd have been failing
she'd have been failing
we'd have been failing
you'd have been failing
they'd have been failing	

Infinitive 	
Imperative 	
Infinitive 	 	Imperative 	 	
to fail 	 	fail
Let's fail
fail 	 	

Participle 	
Present 	Past 	 	 	
failing	failed