动词sum在英语中所有时态的构词法
下面是英语动词sum的变位表。
动词sum在现在时态中的变体
Present Tense
- I sum
- you sum
- he|she|it sums
- we sum
- you sum
- they sum
Present Continuous
- I am summing
- you are summing
- he|she|it is summing
- we are summing
- you are summing
- they are summing
Present Perfect
- I have summed
- you have summed
- he|she|it has summed
- we have summed
- you have summed
- they have summed
Present Perfect Continuous
- I have been summing
- you have been summing
- he|she|it has been summing
- we have been summing
- you have been summing
- they have been summing
如何在英语中使用这些变位时态?现在时在英语中表达习惯、频率、一般事实和状态。现在进行时主要表达的是仍在进行的行动或活动的意思。现在完成时表达的概念总是与现在或某一事件的结果有关。最后,现在完成时与活动的概念相关联,即持续时间。
动词sum在过去时态中的变体
Simple past
- I summed
- you summed
- he|she|it summed
- we summed
- you summed
- they summed
Past continuous
- I was summing
- you were summing
- he|she|it was summing
- we were summing
- you were summing
- they were summing
Past perfect
- I had summed
- you had summed
- he|she|it had summed
- we had summed
- you had summed
- they had summed
Past perfect continuous
- I had been summing
- you had been summing
- he|she|it had been summing
- we had been summing
- you had been summing
- they had been summing
在英语中如何使用这些变位时态? 简单过去时表达与现在无关的已完成的动作,过时的过去动作或习惯。它在英语中非常经常使用。过去连续时态(简单过去时+ING)则用于谈论过去正在进行的行动,或者当另一个行动发生时,过去的行动正在进行。过去完成时用于表示该动作发生在另一个过去动作之前。最后,过去完成时用于指过去的一个连续动作,一直持续到另一个过去的动作。
动词sum在未来时态中的构词法
Future
- I will sum
- you will sum
- he|she|it will sum
- we will sum
- you will sum
- they will sum
Future continuous
- I will be summing
- you will be summing
- he|she|it will be summing
- we will be summing
- you will be summing
- they will be summing
Future perfect
- I will have summed
- you will have summed
- he|she|it will have summed
- we will have summed
- you will have summed
- they will have summed
Future perfect continuous
- I will have been summing
- you will have been summing
- he|she|it will have been summing
- we will have been summing
- you will have been summing
- they will have been summing
在英语中如何使用这些变位时态?未来用于谈论未来的事实行动。未来连续式用于谈论未来将要发生的事情。未来完成时是英语中不常使用的一种连接时态,这种连接时态用于谈论未来的事实行动,在另一个行动之前。最后,未来完成时很少使用,这种时态用于谈论一个正在进行的、在另一个行动之前的未来行动。
英语中分词的不同形式,用于动词sum。
英语中的祈使句,用于动词sum。
用英语拼写另一个动词
其他随机发现的英语动词: chamfer
dowse
sallow
sculpture
stum
sulk
sulphurize
summarise
sup
telescope
upbuild