En este ejercicio te proponíamos que vuelvas a escribir las oraciones en Presente Perfecto reordenando las palabras. También te sugeríamos reescribirlas en interrogativo y negativo. Si ya lo has realizado controla tus respuestas con la solución que te ofrecemos a continuación:

Diana has slept until 6 o’clock. Has Diana slept until 6 o’clock? Diana has not slept until 6 o’clock. I have considered the possibility of travelling abroad. Have I considered the possibility of travelling abroad? I have not considered the possibility of travelling abroad. Sally has thought about her job. Has Sally thought about her job? Sally has not thought about her job. The director has arranged an important meeting. Has the director arranged an important meeting? The director has not arranged an important meeting. My mother has written a lot of letters to the Governor. Has my mother written a lot of letters to the Governor? My mother has not written a lot of letters to the Governor. Tom and Mary have enjoyed the movie. Have Tom and Mary enjoyed the movie? Tom and Mary have not enjoyed the movie. I have made many mistakes in the exam. Have I made many mistakes in the exam? I have not made many mistakes in the exam. Sarah has made a delicious dinner. Has Sarah made a delicious dinner? Sarah has not made a delicious dinner. I have tried to do the exercises. Have I tried to do the exercises? I have not tried to do the exercises. She has listened the concert on the radio. Has she listened the concert on the radio? She has not listened the concert on the radio. My neighbour has played golf. Has my neighbour played golf? My neighbour has not played golf. My father has smoked ten cigarettes. Has my father smoked ten cigarettes? My father has not smoked ten cigarettes. Sam has saved enough money to buy a new car. Has Sam saved enough money to buy a new car? Sam has not saved enough money to buy a new car. They have faced too many problems. Have they faced too many problems? They have not faced too many problems. The workers have built a new apartment. Have the workers built a new apartment? The workers have not built a new apartment. John has seen a lot of movies. Has John seen a lot of movies? John has not seen a lot of movies. Michael has painted the house. Has Michael painted the house? Michael has not painted the house. The President has given a conference. Has the President given a conference? The President has not given a conference. My friend has sold his house. Has my friend sold his house? My friend has not sold his house. The architects have started a new project. Have the architects started a new project? The architects started a new project.