Preposition use - for / while / during FOR: with a period of time to express the duration or 'how long' something has happened: • for three weeks • for many years WHILE: plus a verb form: • while I was watching TV • while I lived in New York DURING: with a noun to express 'when' something happens: • during the lesson • during the discussion Complete the sentences using during, for, or while The phone rang several times _ dinner a) during b) for It began to snow _ I was walking home a) for b) while We visited many relatives _ our vacation a) during b) while Susan has been studying English _ five years a) for b) during The children have been playing video games _ hours a) for b) during _ the hike up the mountain, we saw a lot of deer a) During b) While I saw my picture in the newspaper I was waiting for the bus a) during b) while _ the meeting I noticed my computer was unplugged a) For b) During A car pulled out in front of me _ I was riding my bicycle a) during b) while 10 _ the party, my parents arrived unexpectedly a) During b) While