Tempi Present participle:
encircling
Present:
encircle (3.person: encircles)
Past:
encircled
Future:
will encircle
Present conditional:
would encircle
Present Perfect:
have encircled (3.person: has encircled)
Past Perfect:
had encircled
Future Perfect:
will have encircled
Past conditional:
would have encircled