Sentence pattern 【Japanese grammar】verb dictionary form + べきです (bekidesu) = should + verb
On this page, you can learn Japanese grammar for expressing what somebody should do.
suggestion
Sentence pattern 
Sentence pattern What about:【noun + はどうですか。】
On this page, you can learn Japanese grammar to suggest ideas.
Sentence pattern Let’s:【Verb Stem Form + ましょう】
On this page, you can learn Japanese grammar for 'Let's'.
Sentence pattern don’t have to:【verb なform + くてもいいです】
On this page, you can learn Japanese grammar for 'do not have to'.