1.  By 2035, most renewable energy companies       _ their carbon targets. (completed before a point)

2.  This time next year, the company       _ its entire workforce to remote working. (ongoing at a future point)

3.  By the time the new data privacy law is passed, companies       _ user data for years. (completed before)

4.  Scientists       _ the link between deforestation and biodiversity loss for decades by 2050.

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