* Thì hiện tại đơn:
- Signals: always, usually, normally, generally, often, sometimes, seldom, hardly ever, never, rarely, once, daily, weekly, monthly, yearly, once a week, every day, every month, every year..........
* Thì hiện tại tiếp diễn:
- Signals: at present, right now, now, at this time, today, this week, this month, look, listen, be quiet, Don't make noise, keep silent, be careful ..............