i-adjective

i-adj stem + ければ (やすければ)ばN4

if — general, lawlike condition

i-adj + が (高いが)がN5

but; and — contrast or soft preamble

い-adjective stem＋がる（怖がる・痛がる・欲しがる）がるN4

shows signs of (feeling); acts (scared, embarrassed, ...)

i-adj + から (高いから)からN5

because; so — the speaker's own reason

i-adj + けど (高いけど)けどN5

but; though — the spoken-default connective

i-adj stem + くなる（高くなる）くなるN5

become; get -er (with i-adjectives)

i-adj + ので (寒いので)のでN4

because; since — reason as circumstance

i-adj + のに (高いのに)のにN4

even though; despite; and yet

i-adj + し (安いし)しN4

and what's more — stacking reasons

i-adj stem + そうだそうだN4

looks like; about to; seems (from appearance)

高すぎる（い-adjective drops い）すぎるN4

too …; overdo

i-adj stem + かったら (やすかったら)たらN4

if; when; once — after the condition completes

i-adj stem + くても (たかくても)てもN4

even if; even though; no matter

i-adj + と (たかいと)とN4

whenever; when — one thing automatically brings the next