There’re many differences between English and Spanish, that’s not big news. But I think the most painful differences are those that complicate things that are simple in the other:

In Spanish, you’ll need the first-person plural form of the subjunctive mood.

Here are some everyday examples you’ll likely need sooner or later:

• Let’s go – Vamos.
• Let’s talk – Hablemos.
• Let’s eat – Comamos.
• Let’s drink – Tomemos algo.
• Let’s buy [something] – Compremos [x]
• Let’s call [someone] – Llamemos a [alguien].
• Let’s make love – Hagamos el amor.
• Let’s go for a walk – Salgamos a caminar.
• Let’s see – Veamos.
• Let’s leave – Vámonos.
• Let’s get started – Empecemos.
• Let’s wait – Esperemos.
• Let’s go out – Salgamos de acá.
• Let’s take a break – Descansemos un rato.
• Let’s try – Intentemos / Probemos.
• Let’s dance – Bailemos.
• Let’s stay here – Quedémonos acá.
• Let’s stop here – Paremos acá.
• Let’s play – Juguemos.
• Let’s work – Trabajemos.

There’s no Rioplatense Spanish magic involved here. This is just standard Spanish rules.

Good luck in making plans and persuading your friends!

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