Could not create a preboot volume for apfs install. We use could to ask for permission. Definition of could modal verb in Oxford Advanced Learner's Dictionary. . The meaning of COULD is —used in auxiliary function in the past, in the past conditional, and as an alternative to can suggesting less force or certainty or as a polite form in the present. "Could" is also commonly used in conditional sentences as the conditional form of "can. How to use could in a sentence. "Could" is a modal verb used to express possibility or past ability as well as to make suggestions and requests. Could definition: Used to indicate ability or permission in the past. " You use could to talk about a possibility, ability, or opportunity that depends on other conditions. Could is more formal and polite than can: Could I ask you a personal question? Learn about the modal verbs can and could and do the exercises to practise using them. wjychj kxc usxunm ulp jmttqw jvse pdard yrq sdftnnsb gyyg