has stress of the words in a sentence any efect on intonation of this sentence?

Answer 1

Not only the intonation, but it can also affect how other people perceive you. For example, native Spanish speakers tend to stress all the words in a sentence because every word in Spanish is stressed; this causes them to sound different from native English speakers because it forms what is called a staccato effect.

Answer 2

yes , of course it does..stresses can change any sentence is sublte ways.