1) Find the three sentences in the text which follow the structure: if + present, subject + will 2) When do we use the first conditional? 3) Write two examples of sentences using the first conditional. 4) Complete this sentence with the correct forms of the verbs: "If we _____________ (protect) the environment, lots of animal _______________ (be) endangered". 5) Finish this sentence: "If we leave the tap running when we brush our teeth, ___________________________________".

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