which sentence begins with a dependent clause?

my dad is looking for his shoes while our dog is burying them in the garden
when we go to school in the morning, we need to take our lunches and our backpacks
my friends and i are going camping today, and tomorrow my cousin is going to join us!
the children decided to play soccer in the park near their house

1 answer

The sentence that begins with a dependent clause is:

"When we go to school in the morning, we need to take our lunches and our backpacks."

The phrase "When we go to school in the morning" is a dependent clause because it cannot stand alone as a complete sentence.