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thumb | meaning of thumb in Longman Dictionary of Contemporary English | LDOCE

Verb table

thumb

Simple Form
Present
I, you, we, theythumb
he, she, itthumbs
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Past
I, you, he, she, it, we, theythumbed
Present perfect
I, you, we, theyhave thumbed
he, she, ithas thumbed
Past perfect
I, you, he, she, it, we, theyhad thumbed
Future
I, you, he, she, it, we, theywill thumb
Future perfect
I, you, he, she, it, we, theywill have thumbed
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Continuous Form
Present
Iam thumbing
he, she, itis thumbing
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you, we, theyare thumbing
Past
I, he, she, itwas thumbing
you, we, theywere thumbing
Present perfect
I, you, we, theyhave been thumbing
he, she, ithas been thumbing
Past perfect
I, you, he, she, it, we, theyhad been thumbing
Future
I, you, he, she, it, we, theywill be thumbing
Future perfect
I, you, he, she, it, we, theywill have been thumbing
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