There isn't really need to speak German in Berlin as most people speak English to some extent. You might come across some people who might only speak basic English or none at all but then you just ask the next person. 3.

Is English widely spoken in Berlin?

Berlin – English very widely spoken in Berlin. You should be fine in almost all hotels, shops and restaurants. Elsewhere most people will either speak at least basic English or be able to get someone who does. You don't need German when visiting Berlin.

Is English spoken in Switzerland?

English is the most common non-national language and is regularly spoken by 45% of the population in Switzerland. English is more widespread in the German-speaking part of the country than in Italian- and French-speaking regions (46% vs 37% and 43% respectively).