"Is" in Questions
* Used for:
* Questions about the state of being: "Is the door open?" "Is the sky blue?"
* Questions about identity: "Is this your car?" "Is she a doctor?"
* Questions about the present tense: "Is it raining?" "Is he sleeping?"
"Does" in Questions
* Used for:
* Questions about actions or occurrences in the present tense: "Does she play the piano?" "Does the train arrive on time?"
* Questions about frequency: "Does it rain often here?" "Does he go to the gym every day?"
Key Points:
* Subject-Verb Agreement: Both "is" and "does" agree with the subject of the question.
* "He is happy." (singular subject, singular verb)
* "They are happy." (plural subject, plural verb)
* "She does her homework." (singular subject, singular verb)
* "They do their homework." (plural subject, plural verb)
* Word Order: Questions with "is" and "does" typically follow the "WH-word" + "auxiliary verb" + "subject" + "main verb" + "?" structure.
* "Where is the library?"
* "What does he want?"
Examples:
* Is: "Is the coffee ready?" "Is this the correct address?" "Is she feeling better today?"
* Does: "Does he like pizza?" "Does the bus stop here?" "Does she speak English?"
In summary:
"Is" and "does" are used in questions to inquire about different aspects of the present tense. "Is" focuses on states of being and identity, while "does" focuses on actions or occurrences. Remember to maintain subject-verb agreement and follow the standard question structure.