【解题指导】“时态”是两个概念的混合,“时”指时间,“态”指动词的变化形式。要做好时态题,必须把握时态的以下判定方法:(1)根据时间状语确定时态的原则;(2)在复合句中根据时态呼应确定时态的原则;(3)根据上下文已有的时态信息点确定时态的原则;(4)利用上下文语意确定时态的原则;(5)时态中的“特殊”对策的原则。对于 [Problem Guidance] “Tense ” is a mixture of two concepts, “hour ” refers to the time, “state ” refers to the verbal changes. To do a good job, we must grasp the following judgments of tense: (1) The principle of determining tense according to time adverbial; (2) The principle of tense in response to tense in complex sentences; (3) The existing temporal information points determine the principle of the tense; (4) The principle of using the contextual semantics to determine the tense; (5) The principle of the “special” strategy in the tense. for