Collocation: types and strengths

Matching exercise
eltconcourse.com

Drag and drop the items on the right to match the items on the left. To decide if a collocation is relatively weak or strong, ask yourself how many substitutions you can reasonable make.
adjective + noun (weaker)
noun + noun (stronger)
adjective + noun (stronger)
adverb + adjective (stronger)
verb + prepositional phrase (weaker)
noun + noun (weaker)
verb + noun (stronger)
verb + adverb (weaker)
verb + adverb (stronger)
adverb + adjective (weaker)
verb + noun (weaker)
verb + prepositional phrase (stronger)
door handle
serious problem
estate car
fall into debt
write an essay
extremely happy
compose a symphony
build well
send by post
rain incessantly
wonderful holiday
patently obvious