Regular verbs:
* asked
* baked
* called
* danced
* faked
* helped
* jumped
* kicked
* laughed
* mixed
* played
* pushed
* ran
* said
* tapped
* walked
* worked
Irregular verbs:
* ate
* came
* did
* gave
* went
* had
* made
* saw
* took
* wrote
Note: Some verbs can be both regular and irregular, depending on the context. For example, "learnt" and "learned" are both acceptable past tense forms of "learn".
This is not an exhaustive list, but it provides a good starting point for understanding one-syllable verbs in the past tense.