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joined…is has joined…has been had joined…is has joined… has been
joins joined has joined had joined
joined; at joined; in has joined; in has joined; since
been in joined joined in in
There was There is It was It is
has joined has been in joined was in
There was There is It was It is
joined taken part in been served in
has joined has taken part in has served in has joined in
has joined the army has been in the army has become a soldier joined the army
had joined had been in joined has been in
intentionally consciously voluntarily reluctantly
joined been in joined in taken part in
joined was in took part in joined in
attended joined took part in joined in
joins joined has joined had joined