Is flying, cried, clapped, try, shook are consonant clusteres

Answer 1

http://www.sil.org/lingualinks/literacy/referencematerials/glossaryofliteracyterms/whatisaconsonantcluster.htm

I'd say that these are consonant clusters, based on the definition in that link:

fl (but not ng)
cr
cl (but not pp)
tr
(not sh)