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had rang； was has rung； was rang； has been has been ringing； is
are phoning phone will phone had phoned
are phoning phone will phone had phoned
prepared had prepared would prepare was preparing
had rung; was has been ringing; is rang; has been has rung; was
has rung has been ringing had been ringing rings
rang；has been has been ringing；is had rung；was has rung；was
were calling had called are calling call
has rung; was has been ringing; is had rung; was rang; has been
had rung; was has rung; was rang; has been has been ringing; is
had phoned will phone were phoning are phoning
had rung rang has been ringing was ringing
has rung rang was ringing has been ringing
answered had answered was answering was answered
was ringing rang
had been ringing has been ringing
has rung; was has been ringing; is had rung; was rang; has been
the next time the first time by the time the moment
rings is ringing ring ringing
ringing; are phoning to ring; will phone ringing; were phoning to ring; phone
wrecked collapsed decayed fired
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