║PRESENT PERFECT TENSE║

Answer

1. I have just finished my chores.

2. They have moved here since two years ago

3. She has written five articles so far this week.

4. I have known my friend since I was ten years old.

5. I have never seen Niagara Falls.

Explanation

PRESENT PERFECT TENSE

• The present perfect tense expresses the idea that something happened ( or never happened ) before now, at an unspecified time in the past. So, present perfect tense menjabarkan aktivitas yang telah terjadi ataupun belum pernah sama sekali terjadi sebelum saat ini , pada waktu yang tidak ditentukan di waktu lampau.

• It also expresses the repetition of an activity before now. The exact time is not necessary to discuss. So, present perfect tense menjabarkan suatu aktivitas yang terus-menerus terulang sebelum saat ini. Tentunya beda dengan Simple present , karena simple present sudah pasti terjadi dan akan terus-menerus terjadi pengulangan di waktu yang sama , sedangkan present perfect terjadi kesinambungan aktifitas tetapi tidak ditentukan oleh waktu. Present perfect tense merujuk pada dampak terkait saat ini.

• When we use  "for" or "since" in the present perfect tense, it means that the activity began in the past and continuous to the present ( or lately ). So, ketika kita menggunakan "for' atau "since" dalam kalimat present perfect tense, ini menjelaskan bahwa adanya aktifitas yang telah terjadi di masa lampau dan masih ada kelanjutannya sampai saat ini atau baru-baru ini terjadi.

• Ketika menggunakan "since" mengindikasikan waktu permulaan kejadian sebelum saat ini. Sedangkan, "for" mengindikasikan durasi/lamanya waktu kejadian tersebut dimulai sampai detik terakhir kejadian tersebut masih exist.

The adverbs are frequently used in the present perfect tense : Ever, never, already,yet, still and just.

The pattern of present perfect tense :

(+ ) Subject + has/have + verb 3 + Object / Complement

( - ) Subject + has/have + not + verb 3 + Object / Complement

(? ) Has/have + Subject + verb 3 + Object / Complement ?

Example :

I have never been in Paris.

I have ever lived in Bali for two years.

She has waited her friends since 6 o'clock.

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For more information, learn about the related topics :  

yomemimo.com/tugas/15279381 ( definition of present perfect )  

yomemimo.com/tugas/2388717  ( Example of present perfect sentence )

Detail Answer

Level        : Shs  (10)

Subject    : English

Code        : 5

Category  : Sentence Structure

Categorization : 10.5.10

Keywords  : Sentence structure- present perfect