1. She has seen the shark. 2. We have met a famous person. 3. Cathy has broken the vase

Present Perfect Tense:
Разъяснение: Present Perfect Tense is used to talk about actions or events that happened at an indefinite time in the past or have a connection to the present. It is formed by using the auxiliary verb "have" (or "has" for third-person singular) and the past participle form of the main verb. In this tense, the time expression is not specified.

1. She has seen the shark. - Вона видела акулу.
The action of seeing the shark happened at an unknown time in the past, and there is a connection to the present. It implies that she saw the shark at some point before now.

2. We have met a famous person. - Ми зустрілися з відомою людиною.
The meeting with the famous person happened in the past, but the exact time is not specified. The focus is on the fact that the meeting occurred and the impact it has on the present.

3. Cathy has broken the vase. - Кеті розбила вазу.
The breaking of the vase occurred in the past, and the result (the vase being broken) is still visible in the present. The time when it happened is not specified.

Пример:
Образуйте предложения в Present Perfect Tense:
1. I / finish / my homework. (Я закінчив домашнє завдання.)
2. They / visit / Paris. (Вони відвідали Париж.)
3. She / lose / her keys. (Вона загубила свої ключі.)

Совет:
To understand and use Present Perfect Tense correctly, pay attention to the auxiliary verb "have" or "has" and the past participle form of the main verb. Remember that this tense indicates actions or events that happened at an unspecified time in the past or have a connection to the present.

Задание:
Образуйте предложения в Present Perfect Tense:
1. We / study / English.
2. He / buy / a new car.
3. They / not see / the movie.