to thumbtack
Regular verb: thumbtack - thumbtacked- thumbtacked

Indicative 	
Present 	Present continuous 	Preterite 	Preterite continuous 	
I do not thumbtack
you do not thumbtack
he doesnot thumbtack
we do not thumbtack
you do not thumbtack
they do not thumbtack 	Iamnot thumbtacking
youarenot thumbtacking
heisnot thumbtacking
wearenot thumbtacking
youarenot thumbtacking
theyarenot thumbtacking	I did not thumbtack
you did not thumbtack
he did not thumbtack
we did not thumbtack
you did not thumbtack
they did not thumbtack 	Iwasnot thumbtacking
youwerenot thumbtacking
hewasnot thumbtacking
wewerenot thumbtacking
youwerenot thumbtacking
theywerenot thumbtacking	
Present perfect 	Present perfect continuous 	Pluperfect 	Pluperfect continuous 	
I have not thumbtacked
you have not thumbtacked
hehasnot thumbtacked
we have not thumbtacked
you have not thumbtacked
they have not thumbtacked	I have not  been thumbtacking
you have not  been thumbtacking
hehasnot  been thumbtacking
we have not  been thumbtacking
you have not  been thumbtacking
they have not  been thumbtacking	I had not thumbtacked
you had not thumbtacked
he had not thumbtacked
we had not thumbtacked
you had not thumbtacked
they had not thumbtacked	I had not been thumbtacking
you had not been thumbtacking
he had not been thumbtacking
we had not been thumbtacking
you had not been thumbtacking
they had not been thumbtacking	
Future 	Future continuous 	Future perfect 	Future perfect continuous 	
I will not thumbtack
you will not thumbtack
he will not thumbtack
we will not thumbtack
you will not thumbtack
they will not thumbtack 	I will not be thumbtacking
you will not be thumbtacking
he will not be thumbtacking
we will not be thumbtacking
you will not be thumbtacking
they will not be thumbtacking	I will not have thumbtacked
you will not have thumbtacked
he will not have thumbtacked
we will not have thumbtacked
you will not have thumbtacked
they will not have thumbtacked	I will not have been thumbtacking
you will not have been thumbtacking
he will not have been thumbtacking
we will not have been thumbtacking
you will not have been thumbtacking
they will not have been thumbtacking	

Conditional 	
Present 	Present continuous 	Past 	Past continuous 	
I would not thumbtack
you would not thumbtack
he would not thumbtack
we would not thumbtack
you would not thumbtack
they would not thumbtack 	I would not be thumbtacking
you would not be thumbtacking
he would not be thumbtacking
we would not be thumbtacking
you would not be thumbtacking
they would not be thumbtacking	I would not have thumbtacked
you would not have thumbtacked
he would not have thumbtacked
we would not have thumbtacked
you would not have thumbtacked
they would not have thumbtacked	I would not have been thumbtacking
you would not have been thumbtacking
he would not have been thumbtacking
we would not have been thumbtacking
you would not have been thumbtacking
they would not have been thumbtacking	

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

Participle 	
Present 	Past 	 	 	
thumbtacking	thumbtacked