to sign
Regular verb: sign - signed- signed

Indicative 	
Present 	Present continuous 	Preterite 	Preterite continuous 	
I sign
you sign
he signs
we sign
you sign
they sign 	Iamsigning
youaresigning
heissigning
wearesigning
youaresigning
theyaresigning	I signed
you signed
he signed
we signed
you signed
they signed	Iwassigning
youweresigning
hewassigning
weweresigning
youweresigning
theyweresigning	
Present perfect 	Present perfect continuous 	Pluperfect 	Pluperfect continuous 	
I have signed
you have signed
he has signed
we have signed
you have signed
they have signed	I have been signing
you have been signing
hehasbeen signing
we have been signing
you have been signing
they have been signing	I had signed
you had signed
he had signed
we had signed
you had signed
they had signed	I had been signing
you had been signing
he had been signing
we had been signing
you had been signing
they had been signing	
Future 	Future continuous 	Future perfect 	Future perfect continuous 	
I will sign
you will sign
he will sign
we will sign
you will sign
they will sign 	I will be signing
you will be signing
he will be signing
we will be signing
you will be signing
they will be signing	I will have signed
you will have signed
he will have signed
we will have signed
you will have signed
they will have signed	I will have been signing
you will have been signing
he will have been signing
we will have been signing
you will have been signing
they will have been signing	

Conditional 	
Present 	Present continuous 	Past 	Past continuous 	
I would sign
you would sign
he would sign
we would sign
you would sign
they would sign 	I would be signing
you would be signing
he would be signing
we would be signing
you would be signing
they would be signing	I would have signed
you would have signed
he would have signed
we would have signed
you would have signed
they would have signed	I would have been signing
you would have been signing
he would have been signing
we would have been signing
you would have been signing
they would have been signing	

Infinitive 	
Imperative 	
Infinitive 	 	Imperative 	 	
to sign 	 	sign
Let's sign
sign 	 	

Participle 	
Present 	Past 	 	 	
signing	signed