If you cool water to zero degrees, it ___________ ice. (FORM)
forms
Green plants can't survive if you ___________ them. (WATER - neg.)
don`t water
When Mary has time, she always _________ shopping. (GO)
goes
If John ________ tired, he always ________ TV to relax. (FEEL - WATCH)
feels / watches
If you turn the key, the door ______________. (OPEN)
opens
If you put food in a fridge, it ________ longer. (LAST)
lasts
If someone ________ the building, the alarm _______ off. (ENTER - GO)
enters / goes
When _________ good programs on TV, I usually stay home. (THERE BE)
there are
When a bycicle _______ up, it _______ more difficult to stop. (SPEED - BE )
speeds / is
When it rains a lot, the city usually _______ flooded. (GET)
gets
When do we use the zero conditional?
to talk about general truths or facts
How do we form the zero conditional?
If + present tense + comma + present tense OR present tense + if + present tense
If usually means the same as __________ in the zero conditional.
WHEN If I don't eat, I get cranky. When I don't eat, I get cranky.
When it __________, you __________ wet. (RAIN-WET)
rains, get
If students ___ more English in class, they often ___ better on their exams. (SPEAK-DO)
speak, do
Teens ___ angry if they can't ___ their phone. (GET-USE)
get, use
