are produced,ed是不是过去式的标志

are produced,ed是不是过去式的标志

25. All consonants are produced with vocal-cord vibration. 26. Inflectional morphology is one of the two sub-branches of morphology. 27. The structure of words isAre;produced C. Does;produceD. Do;produce 2.(2015·广东佛山中考)I don’t understand why more girlsto do housework than boys in today’s society. A.askedB. were as

21. The climate-friendly eggs are produced ___. [A] at a considerably low cost——低价for as much as $8 a dozen,用到as much as了，价格高达，就不可能a situation where people can do whatever they want because there are no laws or controls roguebehaving in a different way from what’s normal or exp

≥▽≤ How many cars are produced in the world every year? In 2016, for the first time in history, over 70 million cars passenger cars were produced in a single year. yed 不仅是过去式的标志，它还是过去分词的标志。这里的produced不是过去式，而是过去分词。它和be动词在一起构成被动语态。这时时态就体现在be动词上，is /are pro

Functional messenger RNAs are produced by SP6 in vitro transcription of cloned cDNAs Wide-bandgap high-mobility ZnO thin-film transistors produced at room temperaproduces一般现在时；are produced一般现在时的被动语态；be produced被动语态形式；has produced现在完成时。根据every year可知，用一般现在时，排除D;且“垃圾”与谓语produce

On the experimental side, by introducing external electronic fields the Stark autoionizing states of Ba atom are produced. Ba原子作为一种典型的碱土金属原子，具有较这里应该是填produced，produced by machine是做shoes的后置定语，表示机器生产的鞋子。这里不能用is produced，因为the shoes produced by machine are not of t