Positive
If the door is open,
a) you could have come in.
b) you could come in.
c) you can come in.
c) you can come in.
If children do not eat well,
a) they will not be healthy.
b) they are not healthy.
b) they are not healthy.
If you throw a ball in the air, it comes back down.
Does a ball come back down if you throw it in the air?
When do we use the "Zero Conditional"?
When the result of the condition is always true/a fact.
When she works early,
a) she wakes up early.
b) she wake up early.
c) she woke up early.
a) she wakes up early.
If you are not on time,
a) you do not lose a mark.
b) you lose one mark.
b) you lose one mark.
Ice does not melt if it is not in the sun.
Does ice melt if it is in the sun?
What is the structure of the "Zero Conditional"?
If + Condition (present simple) + Result (present simple)
If you study hard,
a) you would get good grades.
b) you got good grades.
c) you get good grades.
c) you get good grades.
If you turn the switch to the off position,
a) the bulb does not light up.
b) the bulb lights up.
a) the bulb does not light up.
If it does not get enough sunlight, a plant withers.
Does a plant wither if it does not get enough sunlight?
Can we use "When" instead of "If" in a zero conditional sentence?
The "if" in this conditional can be replaced by "when" without changing the meaning.