Orqaga qaytish Mavzuni tahrirlash Mavzuni o'chirish

Muallif: Abdukadirova Nasiba Alimjanovna
Science & Innovation. Present Perfect Continuous vs. Present Perfect

Topic: Science & Innovation

🎯 Lesson Aims


📚 Warm-up Discussion

Ask students:

(Encourage students to use “have/has + V3” when answering.)

 

Grammar Explanationhttps://youtu.be/Q0N0os25TTo?si=9T8LTooblg-FHIPs

1. Present Perfect (have/has + past participle)
➡️ Focuses on completed actions or results that have relevance to the present.
Structure: have/has + V3
Examples:

2. Present Perfect Continuous (have/has been + V-ing)
➡️ Focuses on actions that started in the past and continue up to now, or emphasize the duration of an activity.
Structure: have/has been + V-ing
Examples:

🧩 Key Difference:

Situation Example Tense
Result / Achievement Scientists have developed a new AI system. Present Perfect
Ongoing Research Scientists have been developing a new AI system for years. Present Perfect Continuous