Hacer (to do / to make) is an irregular verb in El Presente, just in the first person singular: yo hago . The rest of the conjugation and the endings are regular.

Notice that you must replace the -c- with a -g- in the first person singular.

Look at and listen to these examples:

Other verbs that include a -g- just in the yo form in El Presente are:

• poner (to put)
  
• salir  (to go out / to exit)