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potential typical optional critical
will have won’t have be won’t be aren’t
He thinks he has discovered a new possibility in the link between sun spots and the weather on the Earth. He has great doubts about the theory that the sun' s frequent changes have an influenced on the Earth' s climate. He has been recently informed by other scientists of the possibility that more sun spots will appear. He does not think the causes of the sun spots will be fully revealed by scientists in the near future.
everyone does does everyone does nobody nobody does
lies the earth lay the earth the earth lies does the earth lie
does one does everyone do they don’t they
potential typical optional critical
does one does everyone do they don’t they
Happiness means the same to everyone Happiness is the thing that everyone wants most of all Money makes one happy, so does helping others Both A and C
Food for astronauts must be made in a special way. All meat on earth comes in bite - size pieces. Astronauts will only eat cakes made from crumbs. Astronauts have to go hungry in a spaceship.
you get much hungrier in space than you do on the earth you can't have water to drink in a spaceship astronauts must learn many new and different things you can't eat anything in a spaceship
the earth lay the earth lies lies the earth does the earth lie