Complete the detective's messy stakeout notes by dragging the correct verb forms into the gaps.
We have known about the secret hideout for three weeks. The suspect has been watching TV in his living room for the past two hours without moving.
We have known about the secret hideout for three weeks. The suspect has been watching TV in his living room for the past two hours without moving.
The verb know is a stative verb (describing a state, not an action), so it cannot be used in the continuous form. We must use the Present Perfect Simple (have known).
The verb watch is a dynamic action. Since we want to emphasize the uninterrupted duration of this action over the last two hours, the Present Perfect Continuous (has been watching) is the best choice.