when is it是现在进行是还是一般现在是

when is it是现在进行是还是一般现在是 It is comfortable to sit under the tree when wind blows语法对么 when后是现在进行时还是一般现在时when 的用法拜托说下 which season is it now?后面的句子是用一般现在是还是现在进行时详细解释就加分 帮我分析一个句子,when it is raining还是rainy?i usually do my homework when it is rains 这种说法没问题.when it is raining这个用法是我在词典上查的,也对但是我搞不懂：为什么一般现在时,后面跟个现在进行 谁能告诉我现在进行时、现在分词、动名词的区别?老是搞混,比如这句He is swimming.是用一般现在是还是什么? ____Millie and Tom often _____shopping together?A.do,goBdoes,goC.Are　goingD．Is,going 关键是不知道是用一般现在是还是现在进行时 when是主句用一般过去是 从句用过去进行时 还是主句过去进行是 从句过去式 I`am going to swim.是现在进行时,还是一般进行时?将来时？ every day 是一般进行时的标志还是现在进行时的标志? It is boring 和 It is interesting是现在进行时吗?为什么? The sun____in the morning填现在进行时还是一般现在是? 问现在几点钟是what time it is还是what time is it问现在几点钟是what time it is还是what time is it What are you doing for vacation 是将来进行时吗?还是过去进行时?还是现在进行时?还是一般进行时? 是when did it started还是when did it start? 初中英语语法题,求解释,感谢~~i____(paint) this room for half a day.it will look good when it is finished.时态是怎样的?现在完成时还是现在完成进行时,by the way,please tell me how to区分这两种时态? the company is _____(发展) very well and we decide to move it to Shanghaidevelop是用现在进行时还是被动? 一题题答,每个问题都要俱到一.1.when it rains,i go to school by bus.2.dont listen to music when you are doing your homework上述两句为什么when后面一个用一般现在是,一个用现在进行时?按理说两句都是表示习惯 we left there when it is getting dark .为什么用现在进行时?