词汇、语法的掌握是应对大学英语四六级考试的基础,英语常用到的词汇,为备战英语四六级做准备。
It be essential that 后面一定用虚拟语气,且句子谓语动词固定为 + 动词原型;
It was essential that the applications forms send back before the deadline.
53. We _D_ our breakfast when an old man came to the door.
A just have had B have just had C just had D had just had
when 还可以表示①刚..就 、②恰在此时;
44. I had just started back for the house to change my clothes _D_ I heard voices.
A as B while C after D when
45. I felt somewhat disappointed and was about to leave, _C_ something occurred which attracted my attention.
A unless B until C when D while
64. It was essential that these application forms _D_ back as early as possible.
A must be sent B will be sent C are sent D be sent
非谓语动词与独立主格:短语,句子
1.当短语部分有独立主语,并且该主语不同于句子主语,这时短语结构称为独立主格。。
独立主格的结构1:名词+ 分词
现在分词表示主动的,正在进行的行为;过去分词表示被动的,已经完成的行为。 作题时要通过判断动作与名词之间的关系来确定是使用现在分词还是过去分词。当动作由名词发出时使用现在分词,而名词是受动者时则用过去分词。
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