to countersink
Irregular verb: countersink - countersank- countersunk

Indicative 	
Present 	Present continuous 	Preterite 	Preterite continuous 	
I countersink
you countersink
she countersinks
we countersink
you countersink
they countersink 	I'mcountersinking
you'recountersinking
she'scountersinking
we'recountersinking
you'recountersinking
they'recountersinking	Icountersank
youcountersank
shecountersank
wecountersank
youcountersank
theycountersank	Iwascountersinking
youwerecountersinking
shewascountersinking
wewerecountersinking
youwerecountersinking
theywerecountersinking	
Present perfect 	Present perfect continuous 	Pluperfect 	Pluperfect continuous 	
I've countersunk
you've countersunk
she's countersunk
we've countersunk
you've countersunk
they've countersunk	I'vebeen countersinking
you'vebeen countersinking
she'sbeen countersinking
we'vebeen countersinking
you'vebeen countersinking
they'vebeen countersinking	I'd countersunk
you'd countersunk
she'd countersunk
we'd countersunk
you'd countersunk
they'd countersunk	I'd been countersinking
you'd been countersinking
she'd been countersinking
we'd been countersinking
you'd been countersinking
they'd been countersinking	
Future 	Future continuous 	Future perfect 	Future perfect continuous 	
I'll countersink
you'll countersink
she'll countersink
we'll countersink
you'll countersink
they'll countersink 	I'll be countersinking
you'll be countersinking
she'll be countersinking
we'll be countersinking
you'll be countersinking
they'll be countersinking	I'll have countersunk
you'll have countersunk
she'll have countersunk
we'll have countersunk
you'll have countersunk
they'll have countersunk	I'll have been countersinking
you'll have been countersinking
she'll have been countersinking
we'll have been countersinking
you'll have been countersinking
they'll have been countersinking	

Conditional 	
Present 	Present continuous 	Past 	Past continuous 	
I'd countersink
you'd countersink
she'd countersink
we'd countersink
you'd countersink
they'd countersink 	I'd be countersinking
you'd be countersinking
she'd be countersinking
we'd be countersinking
you'd be countersinking
they'd be countersinking	I'd have countersunk
you'd have countersunk
she'd have countersunk
we'd have countersunk
you'd have countersunk
they'd have countersunk	I'd have been countersinking
you'd have been countersinking
she'd have been countersinking
we'd have been countersinking
you'd have been countersinking
they'd have been countersinking	

Infinitive 	
Imperative 	
Infinitive 	 	Imperative 	 	
to countersink 	 	countersink
Let's countersink
countersink 	 	

Participle 	
Present 	Past 	 	 	
countersinking	countersunk