to invalidate
Regular verb: invalidate - invalidated- invalidated

Indicative 	
Present 	Present continuous 	Preterite 	Preterite continuous 	
I do not invalidate
you do not invalidate
she doesnot invalidate
we do not invalidate
you do not invalidate
they do not invalidate 	Iamnot invalidating
youarenot invalidating
sheisnot invalidating
wearenot invalidating
youarenot invalidating
theyarenot invalidating	I did not invalidate
you did not invalidate
she did not invalidate
we did not invalidate
you did not invalidate
they did not invalidate 	Iwasnot invalidating
youwerenot invalidating
shewasnot invalidating
wewerenot invalidating
youwerenot invalidating
theywerenot invalidating	
Present perfect 	Present perfect continuous 	Pluperfect 	Pluperfect continuous 	
I have not invalidated
you have not invalidated
shehasnot invalidated
we have not invalidated
you have not invalidated
they have not invalidated	I have not  been invalidating
you have not  been invalidating
shehasnot  been invalidating
we have not  been invalidating
you have not  been invalidating
they have not  been invalidating	I had not invalidated
you had not invalidated
she had not invalidated
we had not invalidated
you had not invalidated
they had not invalidated	I had not been invalidating
you had not been invalidating
she had not been invalidating
we had not been invalidating
you had not been invalidating
they had not been invalidating	
Future 	Future continuous 	Future perfect 	Future perfect continuous 	
I will not invalidate
you will not invalidate
she will not invalidate
we will not invalidate
you will not invalidate
they will not invalidate 	I will not be invalidating
you will not be invalidating
she will not be invalidating
we will not be invalidating
you will not be invalidating
they will not be invalidating	I will not have invalidated
you will not have invalidated
she will not have invalidated
we will not have invalidated
you will not have invalidated
they will not have invalidated	I will not have been invalidating
you will not have been invalidating
she will not have been invalidating
we will not have been invalidating
you will not have been invalidating
they will not have been invalidating	

Conditional 	
Present 	Present continuous 	Past 	Past continuous 	
I would not invalidate
you would not invalidate
she would not invalidate
we would not invalidate
you would not invalidate
they would not invalidate 	I would not be invalidating
you would not be invalidating
she would not be invalidating
we would not be invalidating
you would not be invalidating
they would not be invalidating	I would not have invalidated
you would not have invalidated
she would not have invalidated
we would not have invalidated
you would not have invalidated
they would not have invalidated	I would not have been invalidating
you would not have been invalidating
she would not have been invalidating
we would not have been invalidating
you would not have been invalidating
they would not have been invalidating	

Infinitive 	
Imperative 	
Infinitive 	 	Imperative 	 	
to invalidate 	 	do not invalidate
Let's not invalidate
do not invalidate 	 	

Participle 	
Present 	Past 	 	 	
invalidating	invalidated