Conjugation of First.

first

first-aid box first aid kit first-aid kit first aid officer first aider First amendment first appearance first ballot first barrier first blood first born first-born first choice first classman first consonant shift first cousin first-cousin first day cover first-degree attempted murder first degree burn first degree murder first down first draft first edition first eleven First family first floor first-floor apartment first-foot first-footer first-footing first form first-former first fruits first-grade first husband first inning first installment first kiss First lady first language first leg first letter first mate first memory block first name first night first nighter first offense first officer first papers first performance first pitch first round first row first run first school first secretary first shipment first snow first start first-time buyer first-timer first vaccination first violation first violin first wife First World First World Country first year