If they are questions, then those sentences need a question mark. Many 'whether or not' sentences are not asking anything, they are simply stating alternatives. 'Have you decided whether to go to London or not?' is a question, but 'I haven't decided whether to go to London or not' is a statement and not a question.
Questions. Questions end with a question mark. Sentences that are a question usually start with Who, What, Why, Where, When, How, Will, and Is.Examples:What types of sentences end in a question mark?Who is the muffin man?
Yes it's possible it depends on the context of the sentence.
The two common sentence signals for the end of a sentence are a period (.) and a question mark (?). A period is used for declarative and imperative sentences, while a question mark is used for interrogative sentences.
No, interrogative sentences typically end with a question mark. Using a period at the end of an interrogative sentence can change its intended meaning.
Interrogative sentences typically begin with question words like who, what, where, when, why, and how. They seek information, ask a question, or express doubt. Additionally, interrogative sentences end with a question mark.
Questions. Questions end with a question mark. Sentences that are a question usually start with Who, What, Why, Where, When, How, Will, and Is.Examples:What types of sentences end in a question mark?Who is the muffin man?
Yes it's possible it depends on the context of the sentence.
The two common sentence signals for the end of a sentence are a period (.) and a question mark (?). A period is used for declarative and imperative sentences, while a question mark is used for interrogative sentences.
No, interrogative sentences typically end with a question mark. Using a period at the end of an interrogative sentence can change its intended meaning.
At the end of a statement (a declarative or imperative sentence), you can use a period. After exclamatory sentences, use an exclamation mark, and after interrogative sentences, use a question mark.
Interrogative sentences typically begin with question words like who, what, where, when, why, and how. They seek information, ask a question, or express doubt. Additionally, interrogative sentences end with a question mark.
No, not every sentence with "if" has to end with a question mark. The use of a question mark at the end of a sentence depends on whether the sentence is asking a question or stating a fact.
It depends on whether it's a question or not.
Declarative sentences state facts and end with a period. Interrogative sentences ask questions and end with a question mark. Exclamatory sentences indicate excitement and end with an exclamation point. Imperative sentences give instructions or orders and end with a period.
no interrogatives are questions while declaratives are statements
Yes. The question mark is added onto the end of the questions you ask, whether you add it yourself or not.
No, not always. most of the time, though, but not always