Shoild my sentence be ,
a)He would wait whenever he sees anyone running to catch the bus.
or
b) He would wait whenever he saw anyone running to catch the bus.
(b) is the correct version. "would" is the past tense of will, so the action is in the past. "saw" is the past tense.
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(b) is the correct version.
"would" is the past tense of will, so the action is in the past. "saw" is the past tense.