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Unit seven : ecology

Vocabulary of the unit

Ozone layerendangered species - Organic fertilizersgreeningextinction - global warningdumpingrecycling

Noun Verb adjectivePreservation 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 DestructivePromotion Promote Promoted

Functions : expressing present wish

Form :

Wish / if only + verb ( past simple)

Present simple => past simple

Negative => affirmative

Affirmative => negative

Ex : Tom doesnt revise His lessons and always absent so he gets bad marks .

Tom : If only / I wish I revised my lessons

Grammar : conditional type

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 dont know where she lives)

If I were you ( advice )

I would send her a letter

I would revise my lessons everyday

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Writing : formal letter