Present perfect continuous tense现在完成进行时 A Exploring the rules A探索规则Below is a personal account given by a girl who is equipped with a下面是一个配备了一只机械手臂的女孩的个人叙述。 找到使robotic hand. Find the sentences that use the present perfect用现在完成进行时的句子,并填写在下面的...
这五种常见的时态分别是：一般现在时、一般进行时、一般将来时、现在进行时、现在完成时。一、一般现在时（Simple Present Tense）缩写：am/is/are | do/does 用途：用于描述客观事实、普遍真理、习惯性行为、现阶段的状态等。 构成：主语 + 动词原形 | 主语（第三人称单数）+ 动词的三单形式 例句：I...
An example of blew is what a little boy did to the candles on his birthday cake to make them go out. How do you know when to use past tense and present tense? The past is used to describe things that have already happened (e.g., earlier in the day, yesterday, last week, three ...
下面是am, are, was, were的用法和区别的详细解释：1.人称和数的区别：- am用于第一人称单数（I）；- are用于第二人称单数和复数（you）；- was用于第一人称单数（I）和第三人称单数（he/she/it）；- were用于第二人称（you）和复数。2.时态的区别：- am用于现在进行时态（present continuoustense）中，...
What is the present tense form of to be? The form of the verb to be is am (contracted to 'm), is ('s) and are ('re) in the present tense and was/were in the past. To be is used as an auxiliary verb, to form continuous tenses and the passive, and as a main verb. Here...
Verb Past tense Verb Past tense be (am, is, are)was, were fly flew bear bore forget forgot beat beat get got become became give gave begin began go went blow blew grow grew break broke hang(悬挂)hung bring brought have (has)had build built hear heard burn burnt /burned hide hid ...
a verbs: Past Continuous Tense The past continuous tense is like the present continuous, but it shows that something continued to happen in the past. Use was/were instead of am/is/are and the ing form of the verb. Example: It is 5:00. Glen is studying. At 5:00 yesterday, Glen was...
What is the verb to be in present tense? The form of the verb to be is am (contracted to 'm), is ('s) andare ('re)in the present tense and was/were in the past. To be is used as an auxiliary verb, to form continuous tenses and the passive, and as a main verb. ...
The verbswasandwerecan also be used in a variety of way beyond the simple past tense. Learn more about them here. How to form simple present tense Out of all the different verb tenses,simple present tenseis relatively, well, simple to form. The first general rule is to simply use the ...
What verb tense is "been"? What is the past perfect tense of choose? What is 'be' in present tense? What is the past tense of choice? What is the present perfect tense of "be"? What verb tense is "is"? What verb tense is "were"?