Could u be more elaborate on the question
Consonant blends, also referred to as consonant clusters, are a set of two or three consonant letters that when pronounced, retain their sound. Blends are found either at the beginning or end of a word. For example, in the word “break”, the “b” and “r” sounds are pronounced.
A change was to is in sentence 1
@Molpoing D.Last summer Jim mowed just one lawn, but now he mows three that dose not correct the run on sentence.
The answer is a bit of all of them but mostly b