Learn Italian: Non dormiremmo nella barca in inverno. - We would not sleep in the boat in winter.

dormiremmo is the present conditional form of dormire (to sleep) for noi (we). For regular -ire verbs, you take the infinitive, drop the final -e, and add the conditional endings. The "we" ending is -emmo, making it dormiremmo.

dormiremmo looks a lot like the future tense. How can I tell them apart?

Pay close attention to the double m! The future tense for "we will sleep" is dormiremo (one m), while the conditional "we would sleep" is dormiremmo (two ms). The double consonant means you hold the "m" sound slightly longer when speaking.

I learned that "by boat" is just in barca. Why do we use nella barca here?

When talking about a method of transportation, you use in without an article (like andare in barca for "to go by boat"). But here, you are talking about the boat as a specific physical room or container you are sleeping inside. Because you mean "in the boat", you combine in + la to make nella.

Why is it in inverno and not nell'inverno?