Could Have Been Usage?

"Could have been" = could have + the verb BE. Examples: I could have been there on time if I had left home earlier. (= It was possible for me to be there on time, but it didn't happen.)

How do you use the word could have been?

could -was possible to do something i could write my exams well today. Could +have -indicates a possible past action which was not done by the subject eg: she could have gone to the party but she was not interested. 'been' is the perfect tense of 'am/is/are'.

Could have been is used for?

These past modal verbs are all used hypothetically, to talk about things that didn't really happen in the past. 1: Could have + past participle means that something was possible in the past, or you had the ability to do something in the past, but that you didn't do it.