Like and As :
Strictly speaking, the word like
is a preposition, not a conjunction. It can, therefore, be used to introduce a prepositional phrase ("My brother is tall like my father
"), but it should not be used to introduce a clause ("My brother can't play the piano
like as he did before the accident
" or "It looks
as if basketball is quickly overtaking baseball as America's national sport."). To introduce a clause, it's a good idea to use as
, as though
, or as if
Like As I told you earlier, the lecture has been postponed.
like as if it's going to snow this afternoon.
Johnson kept looking out the window
like as though he had someone waiting for him.
In formal, academic text, it's a good idea to reserve the use of like
for situations in which similarities are being pointed out:
This community college is like a two-year liberal arts college.
However, when you are listing things that have similarities, such as
is probably more suitable:
The college has several highly regarded neighbors,
like such as the Mark Twain House, St. Francis Hospital, the Connecticut Historical Society, and the UConn Law School.