English version

tie up with somebody/something

From Longman Business Dictionarytie up with somebody/something phrasal verb [transitive]COMMERCE if one organization ties up with another, they decide to work together as partners on a particular activityNeither airline has announced plans to tie up with a foreign carrier. tie→ See Verb table
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Verb table
tie
Simple Form
Present
I, you, we, theytie
he, she, itties
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Past
I, you, he, she, it, we, theytied
Present perfect
I, you, we, theyhave tied
he, she, ithas tied
Past perfect
I, you, he, she, it, we, theyhad tied
Future
I, you, he, she, it, we, theywill tie
Future perfect
I, you, he, she, it, we, theywill have tied
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Continuous Form
Present
Iam tying
he, she, itis tying
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you, we, theyare tying
Past
I, he, she, itwas tying
you, we, theywere tying
Present perfect
I, you, we, theyhave been tying
he, she, ithas been tying
Past perfect
I, you, he, she, it, we, theyhad been tying
Future
I, you, he, she, it, we, theywill be tying
Future perfect
I, you, he, she, it, we, theywill have been tying
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