Hello everyone!
I'm practicing my writing skills and I am confused with tenses using.
Which of the following options are correct ?
1st option:
"The period during which people have become able to tame wild species, definitely affected our civilization."
2nd option:
"The period during which people became able to tame wild species, definitely affected our civilization."
3rd option:
"The period during which people have become able to tame wild species, definitely has affected our civilization"
4th option:
"The period during which people became able to tame wild species, definitely has affected our civilization"
Thank you.
Present perfect vs past simple
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- JanGlazer
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- Alan
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Re: Present perfect vs past simple
None!
--> The period during which people became able to tame wild species definitely affected our civilization.
--> The period during which people became able to tame wild species definitely affected our civilization.