One of the main differences is formality.Speak is a little more formal than talk, and is often used in...

1. Correct As verbs - To inform (someone) of their error. Ex : It's rude to correct your parents.2....

1. Should not → Shouldn't Ex - We shouldn't eat sweets.2. Was not → Wasn't Ex - It wasn't bad.3....

1. Do not → Don'tEx - I don't like spiders.2. Had not → Hadn't Ex - He hadn't been told.3. Has not...

. 1. Are not → Aren'tEx - You aren't invited.2. Can not → Can't Ex -You can't smoke in here.3. Could...