teach过去式是taught,过去分词是taught,现在分词是teachingteach的过去式和过去分词。teach的用法1:teach所接的动词不定式,是否加疑问词how,往往取决于工艺大小、复杂与否。工艺大、复杂的,多加how; 工艺小、简单的,一般不加how。如:(how) to swim〔dance,ride,type〕等。但在下面的句子中, how不能省略:He taught me how to light a fire without matches.他教我在没有火柴时怎样生火。teach的过去式例句:We are taught to construe these terms in a particular way.