If you want to use the verb to be in the simple past tense, you have to use was and were instead. To use to be in the present tense, you have to first decide which is correct, is or are. The right choice depends on the subject for two reasons. It has to match subject-verb ...
在“be allowed to” 结构中,这里需要一个 be 动词,根据句子的时态和主语的单复数情况来确定 be 动词的具体形式,如 am/is/are(一般现在时),was/were(一般过去时)等,与后面的 “not”(如果是否定形式)一起构成句子的谓语部分,表示 “被(不)允许” 的状态。 “be allowed to” 后面接动词原形,表示被允...
When there are two long个都是延续性动作时,我们经常用 while。actions, we often use while.If the shorter action is in the main clause, we can use如果短暂性动作在主句中,我们可以用when, while or as to join them.when,while或 as连接它们。When/While/As Millie was watching TV, Andy came当...
Passive: The children were dropped off at the corner by the bus driver. Active: The bus driver dropped the children off at the corner. When to use the passive voice There are times when the passive voice does a better job than the active voice of presenting an idea, especially when the...
17 Use your college years to stir your heart and renew your life. Withstand the pressure of too many choices to acquire more than you need. Specify what truly matters to you and what does not. Learn when enough is...
【解析】 tea plant “茶树”和 grow “种植”以及 use “使用”之间是被动关系,所以用被动语态,由题中的 are 可知本题是一般现在时的被动语态,由 am / is / are +动词的过去分词来表示, grow 的过去分词是 grown , use 的过去分词 used ,所以答案是 grown ; used 。2.【答案】were made【核心...
We often use slang expressions when we talk, because they are so vivid and colorful.However, they are usually out of place in formal writing/because of a number of drawbacks. /They go out of date quickly/and become tiresome if used too much. /...
T oward theend of the semester, they were asked to formtheir own teams and evaluate why they selected each member."To find out how the students signaled toothers that they might be someome who wouldbe good to team up with in the future, we studied their use of either challenging or ...
__ the images on the television screen. ___13___ his radio colleague, he must know the ___14___ of silence and how to use it at those moments ___15___ the pictures speak for themselves.1.［A］ turn ［B］ adapt ［C］ alter ［D］ modify [解析]本题考核知识点：动词的搭配 本...
16___ is that quantum computers work in a totally different way from classical ones. In classical computers, like our laptops, the information is s___17___ as 0s and 1s. These are called “bits”. But quantum computers use “qubits” (量子比特). They can be 0, 1 or 0 and 1 at...