句子主语是 **"She"**(第三人称单数),需要搭配 **has**。其他选项分析如下: - **a) has**:正确,符合第三人称单数的现在完成时结构。 - **b) had**:错误,为过去完成时,不符合句子语境(无“过去的时间参照”)。 - **c) have**:错误,未匹配第三人称单数主语。 - **d) having**:错误,分词形式无法...
The present perfect is a verb tense which is used to show that an action has taken place once or many times before now. The present perfect is most frequently used to talk about experiences or changes that have taken place, but there are other less common uses as well. Read on for ...
How to form the present perfect continuous tense The formula for the present perfect continuous tense is: [have/has] + [been] + [present participle (verb + -ing)]. Recently and lately are words that you often find with verbs in the present perfect continuous tense. Mia has been competing...
Present Perfect Usage: The present perfect tense is a commonly used verb form in English. It is used to describe actions or states that started in the past and have a connection to the present. Here are some key ways to use the present perfect tense: 1. Completed actions with indefinite ...
present perfect tenseis used to describe an action that: 过去开始,过去结束 过去开始,持续到现在(but the future is indeterminate). have + 过去分词(verb form ending in -ed). 有可能搞混淆的地方是:何时用过去时,何时用完成时 一般过去时 Simple Past ...
The verb form of the present perfect continuous tense is·现在完成进行时的动词形式是“ (2)”。“ (2) B Applying the rules B应用规则B1 Complete the sentences with the correct forms of the verbs in B1用括号内动词的正确形式完成句子。the brackets.1 I _(reflect) on the article I read ...
To conjugate the present perfect tense in English we use the present form of the auxiliary verb have and the past participle of the main verb. The table below provides and overview of the conjugation in positive, negative and interrogative sentences. positivenegativequestion I/you/we/they I have...
Present Perfect - Practice Exercise: Put the verb in brackets in the correct form to make the Present Perfect Tense. you ever(break) a leg? I(not be) to the theatre for ages. The Browns(move) a flat. Anita already(speak) to you?
We use the past participle (verb3) of verbs to form the present perfect tense. The past participle of regular verbs is formed in the same way as in the past tense. See Irregular Verbs for a list of present, past and past participle forms of irregular verbs. Affirmative...
How to form the present perfect continuous tense The formula for the present perfect continuous tense is: [have/has] + [been] + [present participle (verb + -ing)]. Recently and lately are words that you often find with verbs in the present perfect continuous tense. Mia has been competing...