Fill in the blanks with appropriate forms of be, have and do as auxiliaries.
1I will go to America after I ............... finished my work here.
Wrong!
Use the present perfect auxiliary "have" after "after" to show the work is completed before the future trip.
2She ............... playing the piano when I entered the room.
Wrong!
Use "was" with an -ing verb for a past continuous action in progress at a specific past time.
3The boy ............... become unconscious before the doctor came.
Wrong!
Use "had" to form the past perfect for an action that happened before another past action.
4............... you ever been to Tokyo?
Wrong!
Use "Have" to form a present perfect question with "ever been".
5This is what he ............... not seem to understand.
Wrong!
Use "does" as the auxiliary for a negative simple present verb with "he".
6They ............... engaged in a heated argument.
Wrong!
Use "were" with the plural subject "They" before the adjective phrase "engaged in a heated argument".
7You ............... being considered for the job.
Wrong!
Use "are" with "you" to form the present continuous passive "are being considered".
8I ............... being shadowed.
Wrong!
Use "am" with "I" to form the present continuous passive "am being shadowed".
9The dinner ............... being cooked.
Wrong!
Use "is" with the singular subject "The dinner" to form the present continuous passive.
10My car ............... in the garage.
Wrong!
Use "is" to link the singular subject "My car" with its location.
Answers
- I will go to America after I have finished my work here.
- She was playing the piano when I entered the room.
- The boy had become unconscious before the doctor came.
- Have you ever been to Tokyo?
- This is what he does not seem to understand.
- They were engaged in a heated argument.
- You are being considered for the job.
- I am being shadowed.
- The dinner is being cooked.
- My car is in the garage.
