General English (US, UK, other varieties)neutral
- Used to announce a transition to the next action, topic, or item to be presented; 'now it's time for' or 'next comes'.
General English (US, UK, other varieties)neutral
- Used with a duration expression to indicate a continuing period up to the present (equivalent to 'now for a period of'); e.g., indicating how long something has been the case.
General English (US, UK, other varieties)informal
- Used in questions or statements to indicate purpose or reason at the present moment, often implying 'why now' or 'for what reason at this time'.