Two of the most used verbs in Spanish are Decir & Dar. As in English, the verbs decir (to say or to tell) and dar (to give) are widely used in the Spanish language. Like tener and venir, the verb decir is both stem-changing (-e to –i) and irregular in the “yo” form.
What is decir?
The verb decir usually means “to say” or “to tell”.
How do you conjugate OIR?
For these oír conjugations, there are two forms of oír that you need to learn. The infinitive form of the verb is oír. The past participle of oír is oído. The gerund form of oír is oyendo.
How do you use decir que?
Second Filter: Ask about the intention of the speaker
Let’s focus on “decir que”. Decir que reports a piece of information that someone else said. So one has to go back to that piece of information, to the actual words of a speaker.