Share Tense (Present Simple/Continuous/Perfect and Past Simple)
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Most scientists ___ (believe) that climate change is real.
believe
She ___ (be) interested in history since childhood.
has been
The team ___ (develop) a new software application this month.
is developing
He always ___ (bike) to school when he was a kid.
biked
Water ___ (consist) of hydrogen and oxygen.
consists
Animals ___ (evolve) over millions of years.
have evolved
The prices of groceries ___ (rise) rapidly right now.
are rising
The prices of groceries ___ (rise) rapidly over the past 5 years.
have risen
The ice caps ___ (melt) due to global warming.
are melting
When/the dinosaurs/go/extinct/?
When did the dinosaurs do extinct?
Air pollution levels ___ (not decrease) significantly in recent years.
Air pollution levels haven't decreased significantly in recent years.
This recipe ___ (not contain) any sugar.
This recipe doesn't contain any sugar.
Why/the sky/appear/blue/?
Why does the sky appear blue?
Scientists ___ (not discover) the cure for the common cold yet.
Scientists haven't discovered the cure for the common cold yet.
When mixed together, red and blue ____ (make) purple
When mixed together, red and blue make purple.
