Collocations for blackboard - noun
VERB + BLACKBOARD
write on | copy from
Please copy the homework from the blackboard.
Please copy the homework from the blackboard.
clean
BLACKBOARD + NOUN
work
PREP.
at a/the ~
You can''t just stand at the blackboard and talk.
You can''t just stand at the blackboard and talk.
on a/the ~
The homework is on the blackboard.
The homework is on the blackboard.