Exercises about the First Conditional
1) Complete the sentences. Use 'll / won't / might / might not and the verbs in brackets.
‐ Maria ___________(not be) at the party yet. It's too early. (certain)
‐ I ___________(go) to the cinema tonight. I'm not sure. (possible)
‐ I ___________(not do) my homework tonight. I'm feeling very tired! (possible)
‐ There ___________(be) some great music at the party. I'm the Dj! (certain)
‐ It ___________(not take) as long as you think. Let's start now. (possible)
‐ We ___________(have) time for some chips before the game. (possible)
‐ He ___________(not do) very well inhis exams. He never does any work. (certain)
‐ It ___________(be) a great concert. That band is fantastic! (certain)
2) Put the words in order to make sentences or questions.
‐ won't / pass / exams / your / hard / don't / if / you / you / work
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‐ buy / a / if / you / present / I'm / will / me / good
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‐ message / see / your / if / give / James / I'll / I / him
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‐ late / they / if / rains / arrive / will / it
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‐ do / what / you / will / if / doesn't / he / phone
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‐ sister / lend / if / her / ask / I / will / mobile / me / my / her
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‐ money / give / some / haven't / if / any / got / I'll / you / you
3) Circle the correct words
‐ I'll give you some of my chocolate if / unless you give me some ice cream.
‐ If/unless you read the instructions you won't know how to play the game.
‐ Will you give Marco my message if / unless you see him?
‐ If / unless the phone rings while I'm in the shower, will you answer it?
‐ Your dad won't be very happy if / unless he finds out what you did.
‐ We'll be late if / unless we leave right now.
4) Complete the text. Use will or won't (if appropriate) and the correct form of the verb in brackets.
Did you know that coral in the sea will die if people ___________(cut down) more rainforests? It
happens like this. If people ___________(cut down) more rainforests, the world's temperature
___________(rise). If the temperature of the see ___________(go up) too, the small animals and plants
that coral lives on ___________(start) to die. So, the coral ___________(not get) enough food, and then
it will go white and die. If the coral ___________(die), over 90'000 different kinds of fish
___________(be) in danger of dying too. So, as you can see, one natural disaster often causes another
one.
5) Complete the sentences with your own ideas.
‐ I'll go out this weekend if ____________________________________________________________.
‐ If I'm hungry on the way home from school ________________________________________________.
‐ I'll be happy tomorrow if ____________________________________________________________.
‐ If the weather is bad this weekend _______________________________________________________.
‐ I won't talk to my best friend if __________________________________________________________.
‐ If I can't watch TV tonight ____________________________________________________________.
‐ I'll take my own dinner tonight if ________________________________________________________.
‐ If I can't do my English homework, _______________________________________________________.