subject + had better + base verbUse had better before the base verb. No to after better.
Had better gives strong advice and suggests a bad result if someone does not act. Use had better + base verb, or had better not + base verb.
subject + had better + base verbUse had better before the base verb. No to after better.
subject + had better + not + base verbPut not after better, then use the base verb.
subject + 'd better + base verbThe short form 'd better means had better, not would better.
You had better call Maria now.
Strong advice: act now.
Use it when action is needed soon: You'd better call Maria now. It suggests a problem if you wait.
Use it when you want advice to sound stronger than should: You'd better take an umbrella. The rain is starting.
Use had better not when the action may cause trouble: We had better not tell Tom before the meeting.
Had better is stronger than should and often suggests a bad result if you ignore the advice.
Had better talks about the best action now or in the near future. The form stays the same even when the advice is about the present or future.
Both give advice, but had better sounds stronger and can suggest a bad consequence if the advice is ignored.
USE_FOR_STRONG_ADVICEw5Use had better when you want to say the action is the best choice now because a bad result may follow. It sounds stronger and more urgent than a mild suggestion.
HAD_BETTER_PLUS_BASE_VERBw5Use had better before the main verb in its base form: had better leave, had better call, had better be. Do not add to before the verb.
HAD_BETTER_NOTw5Put not after better: had better not wait, had better not drive, had better not be late. The main verb stays in the base form.
SHORT_FORM_ID_BETTERw3In speech and informal writing, had is often shortened: I'd better go, you'd better ask, he'd better stop. The meaning stays the same.
NOT_FOR_PASTw4Use had better for advice about now or the future. Do not use it to talk about advice that belonged only in the past.