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Chapters 2 & 8, Book 6A

New Welcome to English

(Second Edition)

If (Part I)

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We needto bring inplants iftheres anumber 3 signal.

Iftheres a Black

Rainstorm Warning,we needto stayinside.What do we need to doduring bad weather?

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We use if-sentences to talk aboutsomething that must happen first before

another thing happens.

Made up of an if-clause and a main clause.

If-clause Main clause

Ifit rains, I weara raincoat.

If

This happens first. Then this happens.

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The if-clause can come at the beginningor end of a sentence.

If

e.g.We needto bring in plants if theres a number

3 signal.

Iftheres a number 3 signal, we need to bringin plants.

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If a sign is hanging dangerously from a building,we needto take it down.We needto take a sign down if it is hangingdangerously from a building.

Look and say.Example:

(sign /

hanging dangerously /

from a building /take it down)

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Now you try.

(a flood /

clear the drains)

We needto clear the drains iftheres a flood.

Iftheres a flood, we needto clear the drains.

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(landslide /leave home quickly)

Iftheres a landslide, we needto leave home

quickly.

We needto leave home quickly iftheres alandslide.

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(boat /sinking /

send a rescue team)

We needto send a rescue team if a boatis sinking.

If a boat is sinking,we needto send arescue team.

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(homeless /open a shelter)

We needto open a shelter if people

are homeless.

If people are homeless,we needto opena shelter.

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What should we do if wewant to ride a bicycle? If we want to ride a

bicycle, we should rideit on a cycle path.

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If

We can use should or should not in the

main clause when we are giving

suggestions or advice.

e.g.

Ifwe want to ride a bicycle, we should ride iton a cycle path.

L k d

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(cross the road / usea pedestrian crossing)

If we want to cross the road, we should use a

pedestrian crossing.

Look and say.

Example:

N t

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(cross the road /use a footbridge)

Now you try.

If we want to cross the road, we should use a

footbridge.

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(a stranger / talk to us /not talk to him or her)

If a stranger talks to us, we should not talkto him or her.

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(want to buy a snack after school /not buy food from a hawker)

If we want to buy a snack after school, weshould not buy food from a hawker.

P ti

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Practice1 If I am tired, I _________. (go / bed)

2 If you want to get fitter, you ____________________. (do / exercise)

3 If you have a fever, you ____________

__________. (go / doctor)

4 If you drop an egg, it _______. (break)

5 If you want to have good results in exams,

you _______________. (work hard)

6 If she is happy, she ______. (laugh)

go to bed

breaks

should work hard

laughs

more exerciseshould do

should go to

the doctor