Question

这是作业，急急急！！！

求send be fly teach understand make spend ring sell leave see have 的过去式和过去分词。急急急！！！

Answer 1

send
过去式sent 过去分词sent 现在分词sending
be
单数：过去式was 过去分词（has） been
复数：过去式were 过去分词（have） been
fly
过去式 flew
过去分词 flown
teach
taught 过去式和过去分词一致
understand
过去式：understood
过去分词：understood
make
的过去式和过去分词形式一样,都是made
spend
过去式spent，过去分词spent，
ring
---rang---rung
sell
sold sold
leave
动词过去式: left
动词过去分词: left
see
saw__seen
have
的过去式和过去分词都是had

Answer 2

过去式：sent was/were flew tanught understood made spent rang sold left saw had
过去分词：sending been flown taught understood made spent rang selling left seeing having