... to-Inf: ask, agree, arrange, afford, aim, attempt, claim, choose, decide, decline, deverse, demand, desire, fail, hesitate, help, want, need, expect, happen, learn, manage, offer, plan, intend, ... : sự da dạng. 10 .Essential (adj) : cần thiết. +Questions : 1. Why is it essential to share notes right after class? 2.How does a small group help? 3.What makes a team successful? Why are some ... to have lost weight. - can't afford - can't wait - make up one's mind - take care - take the trouble - make sure * Verbs + Object + to-inf / not to-inf: ask/ tell, assist,...