Final answer:
The informal command form of the irregular verb 'venir' in Spanish is 'ven'. This form is used when informally telling someone to come somewhere.
Step-by-step explanation:
The irregular verb 'venir' in Spanish means 'to come'. In the informal command form, or imperative, it becomes 'ven'. This is used when you're informally telling someone to come to you or to a place. So, out of the options you've provided, the correct answer is 1) 'ven'. For example, you could use it in a sentence like 'Ven aquí', meaning 'Come here'.
The informal command form of the irregular Spanish verb venir (to come) is ven. This comes from the imperative mood, which is a grammatical mood used to give orders or to express requests, advice, permission, prohibition, obligation, or encouragement. There is a regular pattern for conjugating these verbs, but the verb venir is an exception, or an irregular verb. Its command form, ven, does not follow the typical conjugation rules. Please note that the correct answer is option 1) ven.
This kind of verb irregularity can often be found in various forms of verb tenses across many languages. It simply means that the conjugation rules are not consistent for these verbs and they need to be learned individually.
Learn more about Irregular Spanish Verbs