祈使句表示命令、要求、请求或劝告等，一般以动词原形开头，无时态及数的变化，句末用句号或感叹号。 一、考查祈使句的一般形式。其特点是句首用动词原形，句前或句后可加 please以使语气更加客气。 [考例]_____ at the door before entering, please. A. Knocked B. To knock C. Knocking D. Knock 二、考查“祈使句+and/then+陈述句” 结构。该结构相当于一个 if 引导的肯定的条件状语从句。如：Work hard，and/then you'll be successful in time.(=If you work hard, you'll be successful in time.) [考例]____ straight on and you'll see a church. You won't miss it. A. Go B. Going C. If you go D. When going 三、考查“祈使句+or+陈述句” 结构。该结构相当于一个 if 引导的否定的条件状语从句。如：Hurry up，or you'll miss the bus.(=If you don't hurry up, you'll miss the bus.) [考例]Start out right away, _____ you'll miss the first train. A. and B. but C. or D. while [考例]Let's keep to the point or we ____ any decision. A. will never reach B. have never reached C. never reach D. never reached 四、考查“祈使句+......+陈述句” 结构。该结构中，“......” 相当于原因连词 as/for 或并列连词 and。 [考例]Mary, _____ here — everybody else, stay where you are. A. come B. comes C. to come D. coming [考例]____ some of this juice-- perhaps you'll like it. A. Trying B. To try C. Have tried D. Try [考例]____ down the radio-- the baby's asleep in the next room. A. Turning B. To turn C. Turned D. Turn 五、查考“名词词组+and+陈述句” 结构。该结构中，名词词组相当于一个省略动词的祈使句。如：One more word， and I'll turn you out of the room.(=Say one more word, and I'll turn you out of the room.) [考例]_____ and I'll get the work finished. A. Have one more hour B. One more hour C. Given one more hour D. If I have one more hour 六、考查祈使句的附加疑问形式。祈使句无论是肯定形式还是否定形式，其附加...
