English version

join up

From Longman Dictionary of Contemporary Englishjoin up phrasal verb1 JOIN AN ORGANIZATIONto become a member of the army, navy, or air force2 British English to connect things, or to become connectedjoin something ↔ up The dots are joined up by a line. join→ See Verb table
Examples from the Corpus
join upMost of the boys went to town to join up.My dad joined up at the beginning of the war.When her brothers joined up in 1914, she took over the running of the business.
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Verb table
join
Simple Form
Present
I, you, we, theyjoin
he, she, itjoins
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Past
I, you, he, she, it, we, theyjoined
Present perfect
I, you, we, theyhave joined
he, she, ithas joined
Past perfect
I, you, he, she, it, we, theyhad joined
Future
I, you, he, she, it, we, theywill join
Future perfect
I, you, he, she, it, we, theywill have joined
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Continuous Form
Present
Iam joining
he, she, itis joining
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you, we, theyare joining
Past
I, he, she, itwas joining
you, we, theywere joining
Present perfect
I, you, we, theyhave been joining
he, she, ithas been joining
Past perfect
I, you, he, she, it, we, theyhad been joining
Future
I, you, he, she, it, we, theywill be joining
Future perfect
I, you, he, she, it, we, theywill have been joining
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