would
The Italian word 'sarebbe' is the conditional present form of the verb 'essere' (to be) and it's most often used to express a hypothetical condition. For example, in English we might say, 'I would go to the beach if it's sunny.' In Italian, the same phrase would be 'Andrei in spiaggia se sarebbe soleggiato.'
It would be fantastic if we could go to Italy this year.
In this sentence, the term 'sarebbe' is used to express a hypothetical situation about a future event.
He was supposed to come to the party, but he didn't feel well.
Here, 'sarebbe' is used to talk about an expectation or obligation that was not met due to some reason.
It would be nice to spend some time together.
This example uses 'sarebbe' to express a polite suggestion or an ideal scenario.