Giving Advice

You should…/You shouldn’t….

I suggest…ing

I suggest (that) you …..

I recommend (smb) to…/I recommend….ing

I advise (smb) to…/I advise….ing

Why don’t   you/they …?  Why doesn't she/he....?

Why not + infinitive (without TO) ?

If I were you I would ….

How about…ing?

My advice would be to…

I think it’s a good idea to…..
You had (you'd) better  + infinitive (without TO)......
I would/wouldn't....