As, like, as if, as though

My English class: As, like, as if, as though

 


Let's compare these two sentences:

Helen works as a teacher in a local school.

Helen works like a dog all day.

The first sentence tells us that Mary is a teacher. The second one compares her to a dog, but she is not a dog! So, we use as to say what the job, function or role of a person is, whereas like is used for comparison. continue reading