求下列动词的过去式和过去分词discuss,make,collect,have,teach,find,interview,cycle,pollute,leave,eat,spend,plan,cost,put,finish,arrive
问题描述：
求下列动词的过去式和过去分词
discuss,make,collect,have,teach,find,interview,cycle,pollute,leave,eat,spend,plan,cost,put,finish,arrive
答
过去式：
discussed,made,collected,had,taught,found,interviewed,cycled,polluted,
left,ate,spent,,planed,cost,put,finished,arrived
过去分词:
discussed,made,collected,had,taught,found,interviewed,cycled,polluted,
left,eaten,spent,,planed,cost,put,finished,arrived
答
原形 过去分词discuss,make,collect,have,teach,find,interview,cycle,pollute,leave,eat,spend,plan,cost,put,finish,arrive 过去式 discussed,made,collected,had,taught,found,interviewed,cycled,polluted,left,...