Can/could have done; 表示建议，比如：you should wear this dress. Evening watering can encourage fungal disease, which weakens the lawn and makes it look even worse. · if you are not watering your lawn through a summer drought, and your grass has become dry and crispy, it will grow very minimally, if at all. · early morning (around 4–9 a. m. ) is best — less evaporation, less wind, and the lawn dries off quickly afterward. Because of this, there is no need to mow while your grass is dormant. 表示愿望或者预期的事情，比如：it should be sunny tomorrow. 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. · conversely, if you’re experiencing a dry spell, you may need to mow the lawn more frequently to prevent the grass from becoming too long and brittle. 表示义务、责任等，比如： you should help your friends. Discover ways to protect lawns from damage during dry spells or periods of drought. Will/would have done; · 一、shall的过去式是should 二、43题应该是the government said不应该是says，后面的空填should，不填shall 三、关于情态动词shall和should的用法 · 例句：shouldyou change your mind, please let us know. （=if you change your mind, please let us kno… You ought to/should work harder than that. Midday watering wastes water to evaporation and can leave some spots parched. · 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”。这里有啥区别 … · learn how grass responds to water stress and how to adjust mowing practices to maintain lawn health. To get a crisp and level cut, you need to mow with a sharp blade and a level mower deck. Additionally, consider using a mulching mower, which can help to retain moisture in the soil and reduce the need for frequent mowing. · the ideal time to mow your lawn depends on various factors, including the type of grass, climate, and soil moisture. When you mow the lawn with dull blades, it puts added stress on the lawn. · 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: (这个问题应该被解决。 ) - you … 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 window?二 … May/might have done; · grass demands mowing at least once a week during spring and summer in most regions. 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。 例如：you … In general, it’s recommended to mow your lawn when the grass is dry enough to allow for a clean cut, but not so dry that it becomes stressed. But should you mow when an extended dry period hits and your lawn goes from lush and green to dry. 表示可能性或者条件假设， 比 … · 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”结构的句子。 上 …
