Parenthetic words and expressions

as a matter of fact

as was pointed

perhaps

so to say

by the way

as a matter of fact

as was pointed

as is known

evidently

by the way

for all that

namely

no doubt

of course

probably

for instance

without doubt

unfortunately

probably

may be

unfortunately

probably

perhaps

fortunately

to say nothing of

to be more exact

in the first instance

for that matter

I should say

in short

to be more exact

in the first instance

besides

by the way

that is to say

they say

so

so to say

I see

you see

to sum up

to begin with

I'm sorry to say

for all that

that was to say

besides

as was pointed

as you knew