Identify the adverbial phrase in each sentence.
The students in class could see the dark clouds through the window
For a minute and a half, the alarm bell was ringing.
Javier's uncle lifts weights every single morning.

Through the window

For a minute and a half

Every single morning

Explanation: I just did this activity   

Identify the adverbial phrase in each sentence.

The students in class could see the dark clouds through the window.

through the window

For a minute and a half, the alarm bell was ringing.

for a minute and a half

Javier’s uncle lifts weights every single morning.

every single morning

noun is the correct answer!