This will discourage overwintering pests, like slugs, and help promote healthy growth. · should与ought to的比较 (1) 除表示“万一”“竟然”等只能用should外，表示“应该，应当”“可能”等，两者可互换，只是ought to的语气稍重。 如: 表示义务、责任等，比如： you should help your friends. Timing this simple cut correctly isnt just about tidiness; 当然，也有一些非过去式的用法： its high time that hillary and her supporters do the … 接下来让我们看下should be和should的用法区别： 1. 词性：should be是一个动词短语，其中be是动词的原形。 should是一个助动词。 例子： - this problem should be solved. This guide explains exactly how and when to cut back hostas to help your plants avoid pests and other issues over the winter. The exact timing of that will vary depending on where you live. 表示愿望或者预期的事情，比如：it should be sunny tomorrow. · the first – and probably the most common – time to prune hostas is in the fall. This should be done any time after their leaves are damaged by the first hard frost. Wait for leaves to yellow or flop, then cut to 2–3 inches above soil with clean, sharp pruners. You ought to/should work harder than that. Should虚拟 语气词 ,用法 should + do（动词原形）. Once the leaves have faded, you can cut the plant back nearly to the ground. Use a clean pair of bypass pruners, and cut the stems to about 2 inches above the soil. If you skip fall, prune in spring before new growth—hostas tolerate either approach. · 例句：shouldyou change your mind, please let us know. （=if you change your mind, please let us kno… Should的用法和其各种句型 一、should的用法：should为情态动词，表示“应该，应当”，常用来征求别人的意见和建议。后接动词原形，没有人称和数的变化。 1、should意为“应该”，表示劝告或者建议。 … (这个问题应该被解决。 ) - … · while there are plenty of plants that shouldnt be pruned in fall , hostas arent one of them. · 我直接把我写的语法课里的精华拿出来了。 should做为情态动词的用法，其实是从shall的过去时引申而来的。 shall的意思可以理解为“应该”，而should做为情态词，可以翻译为“本应该”。这 … · pruning hostas in the fall isn’t required but helps tidy beds and reduce pests, though it removes winter cover. 而should be只是他的用法,这里的be是 系动词 ,在 情态动词 should后用原形,should be+adj （形容词） eg. everyone should be here on time. 大家都应该 … “should”自带过去式，可以表达虚拟状态： its high time that somebody should take responsibility down the stretch. There is one thing that is key to remember: Should 的用法一、should表示义务、责任、劝告、建议，其同义词是ought to；在疑问句中，通常用should代替ought to. 例如：you should go to class right away. 你应该马上去上课。should i open the … Its a vital step in pest and disease prevention that sets your hostas up for their successful winter dormancy. · experts agree that fall is the time to cut back your hostas. 表示建议，比如：you should wear this dress. · yes , generally speaking, you should always cut back your hostas in the fall. · its best to cut back hosta foliage before winter arrives—but you shouldnt prune them too early in fall either. Dont cut back the leaves if they are still green and growing. You need to wait until they start turning brown. · hostas are one of the key perennials to cut back in fall , and it is one of the most beneficial tasks you can perform right now. · 二、为什么是be而不是其他动词？ be有3种词性：助动词、系动词、实义动词。 “should be right”之类的结构中的be是系动词，用于连接前面的“主语”和后面的“表语”，构成“主系表”结构的句 …
