Gateway 1 unit 7 : ecology

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ecology
ecology

 

Gateway 1 unit 7: ecology

 

  • Vocabulary of the unit

Ozone layer – endangered species – Organic fertilizers – greening – extinction – global warning – dumping – recycling

Noun Verb adjective
Preservation Preserve Preservative
Recycling Recycle Recycled
Waste Waste Wasted
Damage Damage Damaged
Renewal Renew Renewal
Harm Harm Harmful
Diversity Diverse Diverse
Pollution Pollute Polluted
Destruction Destroy Destructive
Promotion Promote Promoted

 

  • Functions: expressing present wish

Form:

Wish / if only + verb ( past simple )

Present simple => past simple

Negative    => affirmative

Affirmative => negative

Ex :       Tom doesn’t revise His lessons and always absent so he gets bad marks .

Tom : If only / I wish I revised my lessons

  • Grammar: conditional type 2
  • Uses:

Cond 2 is used when we talk about impossible situation in present or future or to express Advice

  • form :

[if + subject + simple past ] + [ subject + would + verb ( infinitive ) ]

NB : conditional type 2 = present wish

If clause Main clause
·   If I knew where she lives ( this means I don’t know where she lives)·   If I were you ( advice )

 

·  I would send her a letter·  I would revise my lessons everyday

Download this unit : gateway 1 unit 7 : ecology

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