Conditional sentence Type 1 + 2

If we burn less fossil fuel, there ______ less carbon dioxide in the atmosphere.

• is

• are

• will be

• would be

If no-one _______, the streets will be cleaner.

• litter

• litters

• littered

• will litter

Environmental problems can be well handled if everyone _______ aware of them.

• will be

• would be

• are

• is

If more CO2 _______ into the atmosphere, global warming will be worse.

• emits

• emitted

• was emitted

• is emitted

If I were you, I _____ in the Earth event.

• would take

• will take

• took

• take

Droughts _____ so serious if the earth weren't so warm.

• would be

• wouldn't be

• won't be

• will be

I wouldn’t tell her if I ……….. you.

She can’t keep a secret.

• will be

• were

• am

• had been

If we walk so slowly, we ………………. late.

• will being

• will be

• be

• would be

Paul would be a good artist if he …….... more patience

• had

• has

• will have

• have

My teacher gets sad if I...

• don't study
• won't study
• not study