If/Unless - Zero, First and Second Conditional

If/Unless

Zero, First and Second Conditional

1st grade EM - March

Review of Conditionals

Function​

Conditional sentences express the idea that an action in the main clause can only take place if a condition in the if-clause is fulfilled.

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​'Unless' is a conjunction that can also be used with a conditional meaning, but there are rules we follow when we use it.

Some text here about the topic of discussion

Unless has a negative meaning similar to 'if .. not'.

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It expresses a negative condition, but it is always followed​ with a positive verb

​Some text here about the topic of discussion.

​Unless = "if not"

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If we don't save water, there may soon be shortages.

​​"If not"

Unless we save water, there may soon be shortages.

Unless

Multiple Choice

___ we walk more, there will be less air pollution.

• IF

• UNLESS

Multiple Choice

Unless our government _____ (protect) the animals, many will become extinct.

• doesn't protect

• don't protect

• protects

• will protect

Fill in the Blank

Write the first part (in red) of this First Conditional sentence:

______ (we/stop) deforestation, we will lose the rainforest.

Multiple Select

Choose the correct conditional sentence(s):

• Unless we reduce carbon emissions, climate change will go on.

• Unless we don't reduce carbon emissions, climate change will go on.

• Climate change will go on if we reduce carbon emissions

• If we don't reduce carbon emissions, climate change will go on.

Fill in the Blank

Write the verbs in the appropriate form (separated by comma) to create a Second Conditional Sentence:

Our oceans ____ (be) less polluted if we ____ (use) less unrecyclable plastic.