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KEY ANSWERS: Exercise 1 Fill the chart with the correct form of the verb. No 1 has been done for you. Base Form
Subject
Present
Present
Past
Clean
Jack and I Jack and I clean
Drive
Robert
Robert drives
Robert drove
Robet has driven
Speak
We
We speak
We spoke
We have spoken
Write
Anna
Anna writes
Anna wrote
Anna has written
Finish
She
She finishes
She finished
She has finished
Do
Rita and her
Rita and her friends do
Rita and her friends did
Rita and her friends have done
Walk
friends The The teachers walk teachers
The teaches have walked
Fly
The bird The bird flies
The teachers walked The bird flew
Blow
Uncle Sam Uncle Sam blows
Uncle sam blew Uncle Sam has blown
Swim
The students
The students swim
Tell
Jess
Jess tells
The
Talk
Introd uce
the authors He
The students have swum Jess has told
The professor talks
The professor talked
The professor has talked
The authors meet
The authors met The authors have met He introduced He has introduced
He introduces
Bring
My mom
My mom brings
buy
My sister
My sister buys
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The bird has flown
The students swam Jess told
professor
Meet
Jack and I cleaned
Perfect Jack and I have cleaned
My mom brought My mom has brought My sister bought My sister has bought
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Exercise 2 What have you done lately? What have your friends done lately. Take a survey. Complete the table. What have I done? I have submitted my project to the lecturer before it’s due.
What has he done?
What has she done?
He has called his mother She has removed all to say that he is not going girls contact from his back this summer mobile phone
I have finished the key He has studied all over answers for last week taks the week
She has cleaned the entire house
Exercise 3 Change the sentences into Present Perfect; Positive, Negative and Interrogative. Make necessary changes.
+ ?
I meet the professor to talk about my paper.
I have met the professor to talk about my paper I have not met the professor to talk about my paper Have I met the professor to talk about my paper?
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Rebecca moved to a new apartment.
+ ?
Rebecca has moved to a new apartment Rebecca has not moved to a new apartment Has Rebecca moved to a new apartment?
+ ?
Jessica has slept in class Jessica has not slept in class Has Jessica slept in class?
Jessica was sleepy in class.
The task is boring.
+ The task has made me bored The task has not made bored Has the task made me bored? ? Fred and George reported their findings to the department. + Fred and George have reported their findings to the department. Fred and George have not reported their findings to the ?
department. Have Fred and George reported their findings to the department?
+ ?
The students have done their assignment. The students have not done their assignment. Have the students done their assignment?
+ ?
Claire has presented her new theory to the public Claire has not presented her new theory to the public. Has Claire presented her new theory to the public?
+ ?
Tom has seen the new baby Tom has not seen the new baby. Has Tom seen the new baby?
The students were busy with their assignment.
Claire presents her new theory to the public
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Tom saw the new baby yesterday