动词backcross在英语中所有时态的构词法
下面是英语动词backcross的变位表。
动词backcross在现在时态中的变体
Present Tense
- I backcross
- you backcross
- he|she|it backcrosses
- we backcross
- you backcross
- they backcross
Present Continuous
- I am backcrossing
- you are backcrossing
- he|she|it is backcrossing
- we are backcrossing
- you are backcrossing
- they are backcrossing
Present Perfect
- I have backcrossed
- you have backcrossed
- he|she|it has backcrossed
- we have backcrossed
- you have backcrossed
- they have backcrossed
Present Perfect Continuous
- I have been backcrossing
- you have been backcrossing
- he|she|it has been backcrossing
- we have been backcrossing
- you have been backcrossing
- they have been backcrossing
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backcross在过去时态中的变体
Simple past
- I backcrossed
- you backcrossed
- he|she|it backcrossed
- we backcrossed
- you backcrossed
- they backcrossed
Past continuous
- I was backcrossing
- you were backcrossing
- he|she|it was backcrossing
- we were backcrossing
- you were backcrossing
- they were backcrossing
Past perfect
- I had backcrossed
- you had backcrossed
- he|she|it had backcrossed
- we had backcrossed
- you had backcrossed
- they had backcrossed
Past perfect continuous
- I had been backcrossing
- you had been backcrossing
- he|she|it had been backcrossing
- we had been backcrossing
- you had been backcrossing
- they had been backcrossing
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backcross在未来时态中的构词法
Future
- I will backcross
- you will backcross
- he|she|it will backcross
- we will backcross
- you will backcross
- they will backcross
Future continuous
- I will be backcrossing
- you will be backcrossing
- he|she|it will be backcrossing
- we will be backcrossing
- you will be backcrossing
- they will be backcrossing
Future perfect
- I will have backcrossed
- you will have backcrossed
- he|she|it will have backcrossed
- we will have backcrossed
- you will have backcrossed
- they will have backcrossed
Future perfect continuous
- I will have been backcrossing
- you will have been backcrossing
- he|she|it will have been backcrossing
- we will have been backcrossing
- you will have been backcrossing
- they will have been backcrossing
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backcross。
英语中的祈使句，用于动词backcross。
Imperative
- backcross
- let's backcross
- backcross
用英语拼写另一个动词
其他随机发现的英语动词： assault
baby
backcomb
backdate
backslide
big-note
checker
debark
hoke
oil
