动词后能加副词吗

可以，副词一般能够放在动词后面。

例:I'll go happily with sings beautifully。He speaks hesitatingly等等。但“能够”不等于“必须”。 like在句型不直接加副词是因为like it a lot 是固定的表达方式，看看下面的句子I like very much how you performed at the recital yesterday。副词短语 very much 就直接放在动词 like 后面。