English version

unblock

From Longman Dictionary of Contemporary Englishunblockun‧block /ʌnˈblɒk $ -ˈblɑːk/ verb [transitive]  if you unblock a pipe, you remove something that is blocking itunblock a toilet/drain/chimney etc→ See Verb table
Examples from the Corpus
unblock a toilet/drain/chimney etcWatchdog featured her after she called out a plumber to her home to unblock a toilet.
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Verb table
unblock
Simple Form
Present
I, you, we, theyunblock
he, she, itunblocks
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Past
I, you, he, she, it, we, theyunblocked
Present perfect
I, you, we, theyhave unblocked
he, she, ithas unblocked
Past perfect
I, you, he, she, it, we, theyhad unblocked
Future
I, you, he, she, it, we, theywill unblock
Future perfect
I, you, he, she, it, we, theywill have unblocked
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Continuous Form
Present
Iam unblocking
he, she, itis unblocking
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you, we, theyare unblocking
Past
I, he, she, itwas unblocking
you, we, theywere unblocking
Present perfect
I, you, we, theyhave been unblocking
he, she, ithas been unblocking
Past perfect
I, you, he, she, it, we, theyhad been unblocking
Future
I, you, he, she, it, we, theywill be unblocking
Future perfect
I, you, he, she, it, we, theywill have been unblocking
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