[Vocabulary] He is lacking behind other students.

[englishhobby]

Do the following sentences sound natural?

He needs to catch up on his grammar. He is lacking behind other students.

 

[Roman55]

I am not a teacher.

He is lagging behind other students.

 

[TheParser]

***** NOT A TEACHER *****


He needs to catch up on his grammar. He is falling behind the other students.

 

[Matthew Wai]

Is the passive voice 'be left behind' possible?

Not a teacher.

 

[Rover_KE]

Possibly. Please give us a full sentence.

 

[JMurray]

not a teacher

Is the passive voice 'be left behind' possible?

He is being left behind by the other students.