时态是英语中一个重要的语法范畴,小学英语主要是如下的四大时态:一般现在时、现在进行时、一般过去时、一般将来时。 小英老师在这里帮大家整理总结了小学英语四种时态的用法,希望大家可...
可能是某个语法版块知识的不完备,也可能是在阅读或解题的习惯上存在一定的偏差,抑或是某一类语境下的词汇知识积累不足,但无论是什么,发现问题才能使我们更有针对性地加强训练。 假期里...
5.一般疑问句:have或has提前。 6.例句:I've written an article. It has been raining these days. 六、过去完成时 1.概念:以过去某个时间为标准,在此以前发生的动作或行为,或在过去某动作之前完成的行为,即“过去的过去”。 2.时间状语:before, by the end of last y...
1 Do you have a vegetable garden? Have you ever w__71__ a seed sprout(发芽) and grow and fruit until it became the tomato on your plate? If you go to school in the US, ther...
Fence had ___6___ about 2,000 miles from north tosouth. But over time, the fence proved tobe no match for ( 不敌) rabbits. Othermajor efforts ___7___ programs to destroyrab...
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