Which underlined verb in the sentence is a linking verb?

i heard that jamal will be the coach of the baseball team because he has been coaching for many years and knows the game.

a.
knows

b.
heard

c.
has been coaching

d.
will be

it’s important not to respond to the bully because doing so generally just escalates the problem.

tell a trusted adult about what is happening and save the evidence. you should also let your internet or cell phone provider know, along with the operator of the site if it is happening online.

if the bullying continues, notify the local police and consider consulting an attorney if it becomes serious.

school authorities may also become involved if it involves students on campus.