Unit 4 Grammar

Unit 4 Grammer Open your Student’s book at page: 50



HIND WRITES HER H.W 1-Do we know WHO did the action? yes This is active sentence 2-What is the structure of the sentence? S +V + O The H.W is written. This is passive sentence 1-Do we know WHO did the action? No 2-What is the structure of the sentence? O + be + p.p

Active Voice We use active voice when the subject is doing the action. Passive Voice We use passive voice when the focus on the action. We use passive to emphasize what was done instead of who did it.

❑ We use the passive to emphasize what was done instead of who did it. ❑ The structure is O + be + p.p + by + S ❑ Sometimes we can make a sentence Without ( by +S)

Simple Present O + be + p.p (v-ed /v3) The students clean the classroom. Passive The classroom is cleaned.

Simple Past O + be + p.p (v-ed /v3) The students cleaned the classroom. Passive The classroom was cleaned.

Present Perfect O + be + p.p (v-ed /v3) The students have cleaned the classroom. Passive The classroom has been cleaned.

Future O + be + p.p (v-ed /v3) The students will clean the classroom. Passive The classroom will be cleaned.

Let’s Practice Change into passive Sami receives a letter. Passive A letter is received by Sami. Amazon will release a new tablet. Passive A new tablet will be released by Amazon.



1.The first car was made by Karl Benz in 1886. 2. Cars are produced (by companies) all over the world nowadays. 3. In the future, smaller and smaller cars will be driven (by people). 4. Perfume,watches,and jewelry are made by Cartier.

I love English

Comparative Normally used if we want to compare two things, people,etc Structure S+V+ comparative adjective+ than+o short adj-er +than more-long adj +than Short The ant is smaller than the hippo. adjective Long Butterfly is more beautiful than frog. adjective

Superlative Normally used if we want to compare more things, people,etc Structure S+V+ the + superlative adjective+o the +short adj-est the +most-long adj Short The ant is the smallest one. adjective Long Butterfly is the most beautiful. adjective

COMPARATIVE & SUPERLATIVE ADJECTIVES Short cheap cheaper than the cheapest big bigger than Adj the biggest heavy heavier than the heaviest Long the most / the Adj dangerous more / less least dangerous dangerous than expensive more / less the most / the expensive than least expensive Irregular good better than the best Adj bad worse than the worst farther than / the farthest / far further than the furthest

as + adjective + as We use as … as to express that two parts of comparison are equal or the same in some ways .

John Mark John is as fat as Mark . The cat is as happy as the dog.

Negative: not as + adjective + as Jood Sara Jood is not as tall as Sara.

as…as Abha is as cold as Taif. not as…as Jassim is not as tall as Fahad.

We use sense verbs + like + noun in descriptions .





sounds/look look smells taste sound look