过去将来时结构:肯定句:主语+be(was,were)going to+动词原形.
否定句:主语+be(was,were)not going to+动词原形. 疑问句:Be(Was,Were)+主语+going to+动词原形?
肯定句:主语+would(should)+动词原形.
否定句:主语+would(should)not+动词原形.
疑问句:Would(Should)+主语+动词原形?被动语态:(1).would / should + be + 动词的过去分词(2).was / were +going to be + 动词的过去分词.
be going to do