帮忙写一下这几个词的过去式和过去分词

问题描述:

帮忙写一下这几个词的过去式和过去分词
1.let
2.make
3.find
4.ride
5.learn
6.think
7.know
8.understand
9.run
10.speak

过去式 过去分词1.let let2.made made3.found found4.ride ride5.learned/learnt learned/learnt6.thought thought7.knew known8.understood understood9.run run10.spoke spoken