1. if/unless sentences (real situations)
Look at the following sentences.
What is the verb tense in each part? What
does unless mean?
1 If you bring your student card, the ticket
will cost less.
2 He'll go with someone else if he doesn't
hear from you.
3 He'll go with someone else unless he
hears from you.

2. • Look at these sentences
• 1 What verb form is used in each part?
• 2 What does unless mean?
Stephanie: I'll look after it if you lend it to me.
Mum: If you put your own clothes on instead of
mine, I'll come shopping with you.
Mum: If you work hard, you'll get a place at
university.
Stephanie: Can we go? We'll be too late unless
we leave now.

3. if/unless sentences (real situations)
Match the sentence halves.
1 If you miss your appointment, you'll have to pay £10.
2 We'll be home by lunchtime unless the traffic is very heavy.
3 If they invite us to stay with them, we'll accept
4 I'll have time to talk to you if you come back later.
5 If you aren't outside the restaurant, I'll go inside.
6 I'll collect them from the station if they need a lift.
a) if you come back later.
b) you'll have to pay £10.
c) I'll go inside.
d) if they need a lift.
e) unless the traffic is very heavy.
f) we'll accept.

4. if/unless sentences (real situations)
Now complete the following sentences with your own ideas.
1 I'll go to the cinema at the weekend if …...
2 Unless you help me with my homework, …
3 I'll lend you this CD if…..
4 If we finish lessons early, …..
5 If I stay up late tonight, ..…

5. Complete these sentences using the correct form of
the verbs in brackets.
phones ’ll give
0 If Mum _____________ (phone), I______________ (give) her your
news.
will we do miss
1 What ______________ (we do) if we ______________ (miss) the train?
2 If there ______________ (be) nobody at home, the postman
is
will leave
______________ (leave) the parcel with a neighbour.
3 You ’ll give
______________ (arrive) in time for lunch if you ______________
don’t stop
(not stop) on the way.
4 If I ______________ (finish) work early, I ____________ (give) you a
finish ’ll give
ring.
will be don’t go
5 Peter ______________ (be) angry if you ______________ (not go) to
his party.
decide ’ll ring
6 If I ______________ (decide) to go to the match, I ______________
(ring) you.
7 The plane ______________ (not take off) if there ______________ (be)
won’t take off is
a storm.

6. Complete the second sentence so that it means the
same as the first.
0 If it doesn't rain, we'll climb the mountain later.
Unless it rains, we'll climb the mountain later.
1 We'll go to the museum tomorrow unless there's a transport
strike.
We'll go to the museum tomorrow if _________a transport
there isn’t
strike.
2 If you don't look at the adverts, you won't find a job .
____________ you look at the adverts, you won't find a job.
Unless
3 I won't speak to her if she doesn't say sorry.
I won't speak to her unless she ___________ sorry.
says
3 Unless I miss the bus, I'll be home in 15 minutes.
If I _____________ the bus, I'll be home in 15 minutes.
don’t miss
3 We'll go in the pool if it isn't too crowded.
We'll go in the pool unless __________ too crowded.
it is

7. Read the questions and complete the answers about
yourself.
• 1 What are you doing this weekend?
• I'm going to ________unless ________
• 2 Are you going away on holiday this year?
• Yes, if _____________________.
• 3 Do you think you will pass your English
exam?
• I hope so, if/unless ___________________