Is that all translates as: Is that all?

Affirmative answer: Yes, it is. Yes.

Negative answer: No, it isn't.

Extended information

General interrogative sentence:

Meaning: General interrogative sentence is a type of interrogative sentence. It is a sentence that is generally answered with yes or no. When reading general questions, use rising intonation, while short answers to general questions use falling intonation.

Structure: Generally, there are two families of interrogative sentences.

The first family is a general interrogative sentence containing the verb be or a modal verb. Its structure is:

be+subject+other parts?

Modal verb+subject + verb base form + other parts?

Use "Yes, subject + be/modal verb" for a positive answer, and "No, subject + be/modal verb + not" for a negative answer. Be or modal verbs and not can be used in abbreviated form,

Mainly include isn't, weren't, wasn't, weren't, can't, mustn't, needn't, etc.

Another family is general interrogative sentences containing action verbs (or substantive verbs), whose structure is:

Auxiliary verb + subject + verb base form + other?

Use "Yes, subject + do/does" for a positive answer, and "No, subject + do/does not." for a negative answer. Auxiliary verbs are also commonly used in abbreviated forms, mainly don't, doesn't, didn't, etc.