Choose the right variant of Present Perfect (выберите правильный вариант Present Perfect):

1. My friends (won/have won) the match.

2. He (has looked/looked) at your diary.

3. Leo (has not putdid/not have put) his toys away.​

1. The correct variant for sentence 1 is "have won".
Explanation: In Present Perfect tense, we use the auxiliary verb "have" or "has" followed by the past participle of the main verb. In this case, "my friends" is a plural subject, so we use "have" + past participle. The past participle of "win" is "won", so the correct sentence is "My friends have won the match."

2. The correct variant for sentence 2 is "has looked".
Explanation: In Present Perfect tense, we use the auxiliary verb "have" or "has" followed by the past participle of the main verb. In this case, "he" is a singular subject, so we use "has" + past participle. The past participle of "look" is "looked", so the correct sentence is "He has looked at your diary."

3. The correct variant for sentence 3 is "has not put".
Explanation: In Present Perfect tense, we use the auxiliary verb "have" or "has" followed by the past participle of the main verb. In this case, "Leo" is a singular subject, so we use "has" + past participle. The past participle of "put" is also "put", so the correct sentence is "Leo has not put his toys away."

Hope this explanation helps you understand the use of Present Perfect tense better. Let me know if you have any further questions!