اللغة الإنجليزية 9 فصل ثاني

التاسع

icon

Word

Meaning

Astronomer

A person who studies space, stars, planets, and the universe.

Biologist

A person who studies living things like animals, plants, and how they grow.

Chemist

A person who studies what things are made of and how they change when mixed.

Ecologist

A person who studies how living things interact with each other and their environment.

Engineer

A person who designs and builds things like machines, bridges, and technology.

Geologist

A person who studies the Earth, its rocks, minerals, and how it changes over time.

Inventor

A person who creates new things, like gadgets or ideas, to solve problems.

Mathematician

A person who studies numbers, shapes, and patterns.

Naturalist

A person who observes and studies animals, plants, and nature.

Physicist

A person who studies how the universe works, including things like energy, light, and matter.

Infinitive verb

An infinitive verb is the base form of a verb, usually preceded by to in English, and it is not conjugated for tense, person, or number.

 

Function of Infinitive Verbs

infinitive verbs can serve many roles in a sentence, making them very versatile.

 

As the Main Verb                                                                After Adjectives

She loves to dance.                                                           She is happy to assist.

  

As the Subject                                                                   To Express Purpose or Intention

To learn is important.                                                     I am studying hard to succeed.

 

As the Object of a Verb:                                                            With Modal Verbs

He likes to play the guitar.                                                         He can run fast.

                                                                                                       They can swim.

After Certain Verbs                                    

She agreed to help.

I plan to visit the museum.

 

 

 

 

 

Using infinitive verbs correctly means knowing their different roles in a sentence. Here are some guidelines:

1. Base Form

Use the base form of a verb, usually with to.

Example: She likes to dance.

 

2. After Modals

Use the bare infinitive after modal verbs (e.g., can, will).

Example: They can swim.

 

3. After Certain Verbs

Follow verbs like want or decide with the infinitive.

Example: She decided to study abroad.

 

4. After Adjectives

Use the infinitive after adjectives.

Example: It’s important to be honest.

 

5. As Subjects or Objects

Infinitives can be subjects or objects in a sentence.

 

What is a Gerund?

 

A gerund (often known as an -ing word) is a noun formed from a verb by adding -ing. Not all words formed with -ing are gerunds.

 


 

1. As the subject or object of a sentence

· Collecting flowers is my hobby.

· I like collecting flowers.

 

2. After prepositions

· They are interested in studying archaeology.

. They dream of becoming archaeologists.

· They are crazy about discovering ancient cities.

. They are tired of digging in the sand.

 

3. After specific verbs such as:

Examples

· I enjoy watching football on T.V.

· I hate travelling by coach.

. She started playing the guitar two years ago.

· He is trying to quit smoking.

· Do you remember buildings and castles when we were kids

 

 

 

 

 

Jo Academy Logo