Could is the past tense of can. Today I can go to the football game. Yesterday, I could not go to the football game. Could is also the present tense of the subjunctive mood of can. If I could do it (present tense of subjunctive mood), I would do it (present tense of conditional mood of the verb do). Could is also the present tense of the conditional mood of can. If I had enough money, I could buy the guitar.
Can means is a person physically able to do something. May means does a person have permission to do something. For example: Student: "Miss, can I sit in this chair?" Teacher: "Yes, you can but you may not."
The verb "may" is asking for permission or stating possibility.
The verb "can" is used to ask or state ability.
Examples:
You may go with your friends. (permission)
We may go to the beach this weekend. (possibility)
We can go to the beach if the weather is good. (ability)
I can sew that button on for you. (ability)
May I ask you a question? (permission)
I may answer your question. (possibility)
Can you answer the question? (ability)
"So few" is correct for things that may be counted.
You may use ibis or ibises, both are correct.
Use on. Agenda means (a list of ) things to do.
"Tomorrow's weather is meant to be fine" is a correct way to use it.
Both may be correct with different meaning. Use rose INTO the air ( for example as an airplane taking off ) but rose IN the air ( as smoke above a fire)
the correct term is may I use the bathroom
If it is used to mean "might be" or "could be" then it is correct.
The correct punctuation for the business greeting "To Whom It May Concern" is a colon.
"So few" is correct for things that may be counted.
You may use ibis or ibises, both are correct.
Both "How can I help you" and "How may I help you" are correct phrases to use when offering assistance. They have the same meaning and politeness level, so you can use either one based on your preference.
"He sits by the table" is correct. "He is seated by the table" is also correct. The context in which you are using them may influence which you use and also what particular idea you want to get across.
No, it is not correct grammar. It should be "twenty items or fewer." "Less" is used for uncountable quantities, while "fewer" should be used for countable items like "items."
"Can I join you?" is the most correct phrase. "Could I join you?" is also acceptable but may sound slightly more formal.
Neither is correct. With "the discretion of... " you want to use "at." Here are several ways to use this expression. (1) You may bring your notebook computer and use it at your own discretion. (2) We can participation in the dance class at the discretion of the professor.
Yes, you could. It may or may not be grammatically correct, but lots of people do it both in conversation and in writing.
Use on. Agenda means (a list of ) things to do.