如果用过去式是i went to see 还是 i went to saw?

I went to the airport to see him off yesterday.为什么see不用过去式? When I went to see him,I saw him the violin. i went to museums or i went to museum 如果是i went to the （）呢? I went to beijing zoo see animal 是宾语重句吗 I went to _____my good friend.A.see B.seed C.saw I went shopping 还是I went to shopping对? Because I went to the Yunnan .I saw many things. 是i went to there还是i went to here啊·· 是I went to Qinghai with sb.for a holiday还是 I went to Qinghai I went to BeiJing I went to Last night I went to the cinema and saw a s____ film .I went