Question

The old man is unwell.He cannot go out (use Illative conjunction )

Answer 1

the old man is unwell so he cannot
go out

Answer 2

The old man is unwell and he cannot go out. Or you can write it as “the old man is unwell so he cannot go out.”

Illative conjunctions are the part of the coordinative conjunction, and they are mainly used to join two sentences which do not rely on each other for expressing their meaning.

Coordinative conjunctions have four different types such as cumulative, alternative, adversative and illative conjunctions.