Form new words using the correct prefix or suffix. Negative prefixes in adjectives: UN-/IN-/IM-/IL-/IR-/DIS-. Predictable, satisfied, productive, lucky, realistic, literate, memorial, loyal, religious, patriotic, reliable, passive, measurable, logical, mistakable, attentive, convenient, suitable, hospitable, vulnerable, thinkable, visible, tidy. Suffixes of verbs: - EN/-IFY/-IZE//-ISE. Black, broad, simple, legal, note, worse, memory, long, strong, significant, visual, classical, real, dark, just, special, summary, weak, organ. Suffixes: MIS-/DIS-. Behaviour, calculate, advantage, conduct, conception, like, agree, hear, spell, approve, appear, honest, represent, understand, fortune, place, lead, belief, connect, inform, please, use, quote.