Definition: used to talk about how someone often behaves or what something is often like Level: B2
她有时可能真的很粗鲁。
She ___can be really rude at times.
当你选择开车旅行时，交通可能很拥堵。
When you choose to travel by car there ___can be a lot of traffic.
他想的时候可能非常慷慨。
He ___can be very generous when he wants to.
