to thumb
Regular verb: thumb - thumbed- thumbed

Indicative 	
Present 	Present continuous 	Preterite 	Preterite continuous 	
I thumb
you thumb
she thumbs
we thumb
you thumb
they thumb 	Iamthumbing
youarethumbing
sheisthumbing
wearethumbing
youarethumbing
theyarethumbing	I thumbed
you thumbed
she thumbed
we thumbed
you thumbed
they thumbed	Iwasthumbing
youwerethumbing
shewasthumbing
wewerethumbing
youwerethumbing
theywerethumbing	
Present perfect 	Present perfect continuous 	Pluperfect 	Pluperfect continuous 	
I have thumbed
you have thumbed
she has thumbed
we have thumbed
you have thumbed
they have thumbed	I have been thumbing
you have been thumbing
shehasbeen thumbing
we have been thumbing
you have been thumbing
they have been thumbing	I had thumbed
you had thumbed
she had thumbed
we had thumbed
you had thumbed
they had thumbed	I had been thumbing
you had been thumbing
she had been thumbing
we had been thumbing
you had been thumbing
they had been thumbing	
Future 	Future continuous 	Future perfect 	Future perfect continuous 	
I will thumb
you will thumb
she will thumb
we will thumb
you will thumb
they will thumb 	I will be thumbing
you will be thumbing
she will be thumbing
we will be thumbing
you will be thumbing
they will be thumbing	I will have thumbed
you will have thumbed
she will have thumbed
we will have thumbed
you will have thumbed
they will have thumbed	I will have been thumbing
you will have been thumbing
she will have been thumbing
we will have been thumbing
you will have been thumbing
they will have been thumbing	

Conditional 	
Present 	Present continuous 	Past 	Past continuous 	
I would thumb
you would thumb
she would thumb
we would thumb
you would thumb
they would thumb 	I would be thumbing
you would be thumbing
she would be thumbing
we would be thumbing
you would be thumbing
they would be thumbing	I would have thumbed
you would have thumbed
she would have thumbed
we would have thumbed
you would have thumbed
they would have thumbed	I would have been thumbing
you would have been thumbing
she would have been thumbing
we would have been thumbing
you would have been thumbing
they would have been thumbing	

Infinitive 	
Imperative 	
Infinitive 	 	Imperative 	 	
to thumb 	 	thumb
Let's thumb
thumb 	 	

Participle 	
Present 	Past 	 	 	
thumbing	thumbed