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Anonymous Posted 13 years ago
Grammar

present perfect with if, after, before

Recently, I noticed that present perfect tense can be used in before, after, if sentences.

Can I put ''tonight'', ''tomorrow'' in the below sentences?

1, If I have finished my homework tonight, I will go shopping with you.

2, Before she has entered the classroom tomorrow, you will see lots of students' parents in the classroom.

3, If she has eaten lunch tomorrow, I will not go eating lunch with her.
  

Top answer

The simple answer to your question is 'yes'. though all of your sentences seem a little contrived. These are a little less unnatural: If I've finished my homework by seven this evening, I'll go shopping with you.

  • The simple answer to your question is 'yes'.
  • though all of your sentences seem a little contrived.
  • These are a little less unnatural: If I've finished my homework by seven this evening, I'll go shopping with you.
  • Student's parent will have to leave the classroom before she has arrived tomorrow.
  • If she has already had lunch when I see her tomorrow, we'll go straight to the conference.
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1 Answers
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The simple answer to your question is 'yes'. though all of your sentences seem a little contrived.

These are a little less unnatural:

If I've finished my homework by seven this evening, I'll go shopping with you.
Student's parent will have to leave the classroom before she has arrived tomorrow.
If she has already had lunch when I see her tomorrow, we'll g

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