Present Perfect Tense | Verbal & Nominal | Definition - Function - Pattern - Time signal

Summary

This video provides a comprehensive guide to understanding and using the present perfect tense in English. The presenter covers its definition, functions, and usage in daily conversations, explaining how it describes past actions with relevance to the present. Viewers learn the structure of affirmative, negative, and interrogative sentences, as well as how to form nominal sentences. The video also highlights essential time signals such as 'since,' 'for,' 'already,' and 'just.' Through clear examples and explanations, viewers will gain a deeper understanding of how to use the present perfect tense in various contexts.

Takeaways

• 😀 Present perfect tense is used to express actions that happened in the past but still have an effect in the present.
• 😀 The five key points to understand present perfect tense are: definition, function, background, time signals, and examples.
• 😀 The present perfect tense indicates that an action was completed at some point in the past but is still relevant now.
• 😀 Functions of present perfect tense include actions recently completed, ongoing actions, past events with current effects, experiences, and repeated activities.
• 😀 A positive sentence in present perfect tense follows the structure: subject + have/has + verb 3.
• 😀 A negative sentence in present perfect tense follows the structure: subject + have/has + not + verb 3.
• 😀 An interrogative sentence in present perfect tense follows the structure: have/has + subject + verb 3 + question mark.
• 😀 Present perfect tense can use time signals like 'just,' 'already,' 'yet,' 'ever,' 'never,' 'so far,' and 'since' to clarify the timing of actions.
• 😀 Time signals such as 'since' and 'for' refer to actions that started in the past and continue to the present.
• 😀 There are two types of present perfect tense sentences: verbal (using verbs) and nominal (using complements like adjectives or nouns).

Q & A

What is the definition of the present perfect tense?

The present perfect tense is used to express actions that have already occurred, but their effects are still felt in the present time. It emphasizes that something has been completed, and its results are relevant in the current moment.

What are the five key components that need to be understood to master the present perfect tense?

The five components are: 1) Definition, 2) Function, 3) Background, 4) Time signals, and 5) Examples.

What is one of the main functions of the present perfect tense?

One main function is to express actions that were completed recently but still have an effect or relevance in the present, such as feeling unwell after eating spicy food.

Can you explain one more example of the present perfect tense's function?

Sure! For example, 'I have learned to play the piano for two years,' indicating that the action of learning the piano began in the past and continues into the present.

How is the sentence structure for a positive present perfect tense sentence?

The structure for a positive sentence in the present perfect tense is: Subject + 'have/has' + Verb in the third form (verb 3). For example: 'I have eaten spicy food.'

What about the structure of a negative present perfect sentence?

For a negative present perfect sentence, the structure is: Subject + 'have/has' + 'not' + Verb in the third form (verb 3). For example: 'I have not called him.'

How do you form a question in the present perfect tense?

To form a question, use: 'Have/Has' + Subject + Verb in the third form (verb 3) + question mark. For example: 'Have you eaten yet?'

What are 'nominal' sentences in the present perfect tense?

Nominal sentences in the present perfect tense use a complement (like an adjective, noun, or adverb) instead of a verb. For example: 'You have been a singer since 2014.'

What are some time signals (indicators) used in the present perfect tense?

Some time signals used in the present perfect tense are: 'just,' 'already,' 'never,' 'ever,' 'so far,' 'for,' and 'since.' These indicate actions that have just finished, have occurred at some point in the past, or continue from the past to the present.

Could you provide an example of the time signal 'for' in a present perfect sentence?

Yes! For example: 'I have lived here for two years,' indicating that the action of living somewhere began in the past and continues to the present.