I'll say and I would say I saw this sentence while learning English conversation; "I'll say there's already water running down the outside of the pipe. Better call the plumber". What kind of situation do you say "I'll say" in? And I have also heard native speakers say "I would say ~~~" to answer someone's question. Would you please help me how I can use these phrases?The conversation was like this; Wife) Honey, do you really think that'll work? That pipe gets very hot and the water is under a lot of pressure. Husband) I'm sure it'll hold at least until pay day, if not forever. Well, maybe forever' being a bit too ambitious. Wife) I'll say there's ...As for "I would say", this is the only sentence using that phase that I can think of for now; "at that time I wouldn't say that I hit it off with you."Anothet example; Interviewer) Do you think last year was by far the worst? Interviewee) I would say it was very uneventful as far as personally but workwise it was not a good year.