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is also known to affect vs has been also known to affect

is also known to affect vs has been also known to affect which is much better to use in a sentence. Which is more popular in English form?

Looking on the internet deeply has found these results:

is also known to affect is the most popular phrase on the web.

has been also known to affect

12 results on the web

is also known to affect

12,230,000 results on the web

More popular!

Some examples and use cases from the internet:

Some examples and use cases from the internet:

  • Patients taking medicinal products known to affect blood pressure or cardiac function should be closely monitored during treatment with clofarabine (see sections 4.4 and 4.8).
  • It's been known to affect the limbic system.
  • There are lots of different proteins that are known to affect aging.
  • It's known to affect the neurotransmitters in animals' brains.
  • If you are taking medicine known to affect the liver.
  • HCV genotype and baseline virus load are prognostic factors which are known to affect response rates.
  • HCV genotype and baseline virus load are prognostic factors which are known to affect response rates.
  • HCV genotype and baseline virus load are prognostic factors which are known to affect response rates.
  • It's known to affect the neurotransmitters in animals' brains.
  • If you are taking medicine known to affect the liver.
  • It's been known to affect the limbic system.
  • HCV genotype and baseline virus load are prognostic factors which are known to affect response rates.
  • There are lots of different proteins that are known to affect aging.
  • Patients taking medicinal products known to affect blood pressure or cardiac function should be closely monitored during treatment with clofarabine (see sections 4.4 and 4.8).

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