come along vs shape up

come along and shape up both are verbs.

Word	Noun	Adjective	Verb	Adverb
come along	No	No	Yes	No
shape up	No	No	Yes	No

As verbs, come along and shape up are synonyms defined as:

Other synonyms of come along include advance, come on, get along, get on, progress.

come along (verb)	shape up (verb)
come into being or existence, or appear on the scene	develop in a positive way
develop in a positive way