今まで旅行に４０か国行ったことがありますって英語でなんて言うの？

"been to" can be used to say that we have traveled or seen all of these countries "pleasure" enjoying a feeling of happiness to travel so much "fortunate" meaning that you have had the money to travel to 40 countries, some people have never left their home countries and traveled abroad

when someone asks you "how many countries have you been to?" you can answer by saying something along the lines of "I have been to over 40 different countries." or "I have traveled to 40 different countries around the world." depending on how many countries you have been to you can just change the number in the sentence. for example "I have been to 28 different countries.".

"I have Visited" or "I have traveled" often used in a similair context, expresses that you have been too/visited/traveled/experienced these different places.

I've been to 40 countries in total. - This sentence is present perfect tense because it's speaking of an experience that's factual at the moment but can change in the future. In the future you might travel to 50 or more countries, so we use present perfect tense when discussing such events. The word "total" is being used to describe the final amount. I have traveled to 40 countries. - This sentence is present perfect tense because it's speaking of an experience that's factual at the moment but can change in the future. In the future you might travel to 50 or more countries, so we use present perfect tense when discussing such events

"Have been" is the past perfect version of the verb "go." Using "go" is a more informal way of saying to travel or visit. "I have been to forty different countries."

I have been to a total of 40 countries in my whole life! We have to use the grammar tense present perfect because our lives are not over yet and we are probably not done travelling either. "I have traveled to" or "I have been to" are perfect for expressing that within your lifetime you have been in 40 different countries and you are probably not done. Also, you can include "so far" either at the end or in the beginning of the sentence. You can also say, " In my travels, I have gone to a total of 40 countries"

When talking about places you have been to you can say 'I've been to', 'I've traveled to' or 'I've visitied' by adding 40 countries you are telling the person you have been to 40 countries

When asked how many countries you've traveled to, you want to say that you've traveled to 40 countries. The above suggestions clearly explain that point.

To talk about places you have been to, like countries, you use expressions like "gone to", "traveled to", or "visited". Example: "I have visited 40 countries."

To say you've (you have) gone to a place/location in the past, you say "I've been to" or "I've gone to". "I've already been/gone to". To say how many countries you've visited, you say "40 countries" or "40 different countries".

The two sentences you see provided above are terrific ways to express to your listener that you have traveled to 40 countries. In the first sentence you will see the term so far. This means up until a certain point. This term is appropriate for both formal and informal settings, it would make a great addition to your vocabulary.