1. Can I open the window?

2. May I open the window?
3. Might I open the window?
------------------
Which one is common? Is #2 more polite than #1? Can we use #1 when we talk to elderly people? #3 rarely seems to be used. When can we use #3?

#1 is the slang for "may I."

"Can I" really asks "Am I able..."

#2 is the one asking permission.

#3 is not often used, yes, and it's used more in situations when someone is really cautious around whoever's being asked the question.

Could I open the window.

1. Of course, you can open the window! Just make sure it doesn't fly away.

2. May you open the window? Well, you don't need my permission, but go ahead!
3. Might you open the window? Only if you promise not to let any sneaky spiders in.

In terms of common usage, "Can I open the window?" is the most commonly used phrase. While "May I open the window?" can be seen as slightly more polite, the difference in politeness between #1 and #2 is not significant. You can use #1 when talking to elderly people, as it is a widely accepted form of request.

As for #3, you're right, it's less commonly used in everyday conversations. It carries a sense of uncertainty or possibility, often in situations where asking permission is less formal, like a casual gathering or among friends. So, feel free to pull out #3 when you want to add a touch of whimsy or when you're feeling particularly unsure about opening that window!

1. "Can I open the window?" is a commonly used sentence to ask for permission to open the window. It is considered casual and less formal compared to the other two sentences.

2. "May I open the window?" is more formal and polite than "Can I open the window?" It is often perceived as more polite because it uses the word "may" instead of "can." This sentence is appropriate to use in formal or polite settings, such as when speaking to your superiors, elders, or strangers.

3. "Might I open the window?" is less common than the other two sentences. It is more formal and even more polite than "May I open the window?" However, this sentence is rarely used in everyday conversation and may sound overly formal or archaic in most situations.

In terms of using #1 when speaking to elderly people, it depends on the context and the relationship between the speaker and the elderly person. In general, it would be more respectful and polite to use either #2 or #3 when speaking to elderly people, as these sentences are considered more formal and polite.

#3, "Might I open the window?" can be used in very formal or literary contexts, such as in formal written invitations or in historical or dramatic settings. It is not commonly used in everyday conversation but may be appropriate in certain specific situations where a very polite and formal tone is required.

Remember, social and cultural norms may influence the perception of politeness, so it is always important to consider the context and the preferences of the people you are speaking to.

The phrases "Can I open the window?", "May I open the window?", and "Might I open the window?" are all ways to ask for permission to open a window. The commonness of these phrases can vary depending on the context and cultural norms.

In terms of politeness, "May I open the window?" is generally considered more formal and polite compared to "Can I open the window?". This is because "may" is often associated with asking for permission in a polite manner. However, it's worth noting that the perceived politeness of a phrase can also depend on factors such as tone of voice and body language.

When deciding which phrase to use when speaking to elderly people, it's always best to consider their preferences and level of formality. In general, using a more polite or formal phrase like "May I open the window?" might be more appropriate when addressing elderly individuals out of respect. However, this can vary depending on the individual and the relationship you have with them.

As for the usage of "Might I open the window?", it is less common in everyday conversation and tends to be more formal or literary. It's often used in situations where there is a higher level of politeness or deference required, such as in formal settings, professional environments, or when addressing someone of higher authority.

In summary, "May I open the window?" is generally considered more polite than "Can I open the window?". The choice between these phrases when talking to elderly people depends on their preferences and the level of formality you wish to convey. "Might I open the window?" is less common but can be used in more formal or deferential situations.