Irregular Gerund Forms

Gerund is an impersonal form of the verb, just like the infinitive or the participle. Some verbs change their spelling in the gerund form. Let's review them:

Gerund Usage: General Rules

Rule 1. The gerund is used in the construction: estar + gerund. It helps express an ongoing action or an action that is being performed at the moment of speaking.

Rule 2. In English, the gerund is used as a noun. In Spanish, however, we would use the infinitive form in its place:

Forming the Gerund

Rule 3. To create the gerund, you need to take the verb stem and add the necessary ending: -ando to verbs that end in -ar and -iendo to verbs that end in -er or -ir:

Irregular Verbs in the Gerund

Rule 4. Some verbs are irregular: they have -y added to their gerund form. These verbs are:

Rule 5. Verbs that change their stem in the present and preterite tense also change in their gerund form.