To say what you are doing right now, use a form of estar plus a verb ending in ‑ndo. For ‑ar verbs, use ‑ando.
For ‑er and ‑ir verbs, use ‑iendo.
hablar | hablando |
---|---|
comer | comiendo |
abrir | abriendo |
If there's a vowel before ‑iendo, the verb ending becomes ‑yendo.