Question

A. Are these present perfect sentences grammatically correct? Put a tick or cross accordingly.
1. I've been camping.
2. We have eaten sushi one year ago.
3. I've watched Avatar twice.
4. They have taken an English exam yesterday.
5. I've listened to classical music. I don t like it.
6. I've seen my favourite band in concert two years ago.
7. My brother has visited my new apartment last week.
8. My best friend has helped me many times.​

Answer 1

Tienes que verificar la gramática en cada oración, marcando con el signo ✅ si son correctas, ❌ si no lo son...

Respuesta:

1. I've been camping.  ✅

2. We have eaten sushi one year ago.  ❌

3. I've watched Avatar twice.  ✅

4. They have taken an English exam. ✅

5. I've listened to classical music. I don t like it.  ✅

6. I've seen my favourite band in concert two years ago.  ❌

7. My brother has visited my new apartment last week.  ❌

8. My best friend has helped me many times.​ ✅

Explicación:

El presente perfecto en inglés se usa para describir una acción o hecho en la que algo ha ocurrido una o varias veces, es decir, para hablar de experiencias o cambios recientes

Present perfect - estructura:

Afirmación/Negación: Sujeto + have/has + (not) + pasado participio

Interrogación: Have/has + sujeto + pasado participio + ?