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 	Iamyawning
youareyawning
heisyawning
weareyawning
youareyawning
theyareyawning	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 have yawned
you have yawned
he has yawned
we have yawned
you have yawned
they have yawned	I have been yawning
you have been yawning
hehasbeen yawning
we have been yawning
you have been yawning
they have been yawning	I had yawned
you had yawned
he had yawned
we had yawned
you had yawned
they had yawned	I had been yawning
you had been yawning
he had been yawning
we had been yawning
you had been yawning
they had been yawning	
Future 	Future continuous 	Future perfect 	Future perfect continuous 	
I will yawn
you will yawn
he will yawn
we will yawn
you will yawn
they will yawn 	I will be yawning
you will be yawning
he will be yawning
we will be yawning
you will be yawning
they will be yawning	I will have yawned
you will have yawned
he will have yawned
we will have yawned
you will have yawned
they will have yawned	I will have been yawning
you will have been yawning
he will have been yawning
we will have been yawning
you will have been yawning
they will have been yawning	

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

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

Participle 	
Present 	Past 	 	 	
yawning	yawned