用作情态动词的need和dare通常只用于否定句或疑问句中,而不用于肯定句中。如:We need not enter into details. 我们不必讨论(研究、处理)细节。Need I type this letter again? 这封信需要我再打一遍吗?He dare not run [take] the risk of being caught ...
need a hand unlocking the rewards!需要帮助来解锁奖励, 再这句话中, unlocking the rewards是做什么成分?need you to do 这里的不定式是做补语吧 I need you to help me; I need the tool to finish the work. 这里的不定式是否是做目的状语