to yawn
Regular verb: yawn - yawned- yawned

Indicative 	
Present 	Present continuous 	Preterite 	Preterite continuous 	
I yawn
you yawn
he yawns
we yawn
you yawn
they yawn 	I'myawning
you'reyawning
he'syawning
we'reyawning
you'reyawning
they'reyawning	I yawned
you yawned
he yawned
we yawned
you yawned
they yawned	Iwasyawning
youwereyawning
hewasyawning
wewereyawning
youwereyawning
theywereyawning	
Present perfect 	Present perfect continuous 	Pluperfect 	Pluperfect continuous 	
I've yawned
you've yawned
he's yawned
we've yawned
you've yawned
they've yawned	I'vebeen yawning
you'vebeen yawning
he'sbeen yawning
we'vebeen yawning
you'vebeen yawning
they'vebeen yawning	I'd yawned
you'd yawned
he'd yawned
we'd yawned
you'd yawned
they'd yawned	I'd been yawning
you'd been yawning
he'd been yawning
we'd been yawning
you'd been yawning
they'd been yawning	
Future 	Future continuous 	Future perfect 	Future perfect continuous 	
I'll yawn
you'll yawn
he'll yawn
we'll yawn
you'll yawn
they'll yawn 	I'll be yawning
you'll be yawning
he'll be yawning
we'll be yawning
you'll be yawning
they'll be yawning	I'll have yawned
you'll have yawned
he'll have yawned
we'll have yawned
you'll have yawned
they'll have yawned	I'll have been yawning
you'll have been yawning
he'll have been yawning
we'll have been yawning
you'll have been yawning
they'll have been yawning	

Conditional 	
Present 	Present continuous 	Past 	Past continuous 	
I'd yawn
you'd yawn
he'd yawn
we'd yawn
you'd yawn
they'd yawn 	I'd be yawning
you'd be yawning
he'd be yawning
we'd be yawning
you'd be yawning
they'd be yawning	I'd have yawned
you'd have yawned
he'd have yawned
we'd have yawned
you'd have yawned
they'd have yawned	I'd have been yawning
you'd have been yawning
he'd have been yawning
we'd have been yawning
you'd have been yawning
they'd have been yawning	

Infinitive 	
Imperative 	
Infinitive 	 	Imperative 	 	
to yawn 	 	yawn
Let's yawn
yawn 	 	

Participle 	
Present 	Past 	 	 	
yawning	yawned