Advice
The standard ways to give advice, warn against something, and ask what to do.
-ta hou ga ii
polite -ta hou ga ii desuyou should, it's better to
〜た方がいい 〜たほうがいい 〜た方がいいです
Attaches to the past form to give firm advice (yasunda hou ga ii), with present meaning despite the past form.
kyou wa yasunda hou ga ii yo.
You should rest today.
今日は休んだ方がいいよ。
kyou wa yasunda hou ga ii desu yo.
You should rest today.
今日は休んだ方がいいですよ。
Can sound strong; soften with kamo (yasunda hou ga ii kamo).
Learn alongside: -nai hou ga ii, -tara iiLearn first: -ta, ii
-nai hou ga ii
polite -nai hou ga ii desubetter not
〜ない方がいい 〜ないほうがいい 〜ない方がいいです
Attaches to the plain -nai form to advise against something (ikanai hou ga ii, muri shinai hou ga ii).
kyou wa muri shinai hou ga ii yo.
Better not push yourself today.
今日は無理しない方がいいよ。
kyou wa muri shinai hou ga ii desu yo.
It's better not to push yourself today.
今日は無理しない方がいいですよ。
Never *-nakatta hou ga ii: positive takes -ta, negative takes -nai.
Learn alongside: -ta hou ga ii, -tara iiLearn first: -nai, -ta hou ga ii
-tara ii
polite -tara ii desushould I / you could
〜たらいい 〜たらいいです
Attaches to the -tara form to ask for advice (dou shitara ii?) or to suggest something gently (kiitara ii yo).
dou shitara ii?
What should I do?
どうしたらいい?
dou shitara ii desu ka?
What should I do?
どうしたらいいですか?
-ba ii (dou sureba ii?) means the same and sounds slightly more careful. Casual suggestions often stop at -tara? or -tara dou?: kiitara? = why don't you ask?
Learn alongside: -ta hou ga ii, -nai hou ga iiLearn first: -tara, ii