The singular present of 'mogen' (to be allowed, may) has an irregular conjugation (no 't' is added to the 2nd and 3rd persons) and an irregular stem ('o' turns into 'a').
Simple present:
| ik
| mag
| we
| mogen
|
| je
| mag
| jullie
| mogen
|
| hij
| mag
| ze
| mogen
|
Simple past:
| ik
| mocht
| we
| mochten
|
| je
| mocht
| jullie
| mochten
|
| hij
| mocht
| ze
| mochten
|
Past participle: gemogen
Note that the examples above give you the unstressed personal pronouns. Some pronouns change when they are stressed in a phrase: je/jij, we/wij, ze/zij (both singular and plural).