English
Grammar
Infinitive
In
English grammar, the infinitive is the base form of a verb, typically preceded
by the word "to." It is called the infinitive because it is not
limited by tense, person, or number. The infinitive is commonly used to express
the idea of an action or state without specifying when or by whom it occurs.
Here
are some examples of infinitives in English:
To
walk: She loves to walk in the park every morning.
To
eat:
I want to eat a slice of pizza.
To
sleep: It's important to sleep at least eight hours a night.
To
read: He likes to read novels in his free time.
To
sing: They plan to sing at the concert next week.
To
study: We need to study for the upcoming exam.
To
travel: My dream is to travel the world someday.
To
write: She decided to write a book about her experiences.
In
these examples, the infinitives are used as the main verbs in their respective
sentences. They express the action or state being described without specifying
who is performing the action or when it occurs.
It's
important to note that the word "to" is not always required before an
infinitive. In some cases, the infinitive can be used without "to"
after certain verbs, such as "let," "make,"
"help," and "watch."
For
example:
Let
me go.
She
made him clean the room.
I
watched her perform on stage.
He
helps his sister with her homework.
In
these sentences, the verbs "go," "clean,"
"perform," and "help" are infinitives used without the word
"to."
Use of Infinitives
Infinitives
have various uses in English grammar. Here are some common ways in which
infinitives are used:
As
the base form of a verb: The infinitive is the most basic form
of a verb, and it is often used as the main verb in a sentence.
For
example:
She
wants to learn how to play the piano.
I
need to finish my homework.
After
certain verbs: Some verbs are followed by an infinitive
without the word "to." These include verbs like "let,"
"make," "help," "watch," and "hear."
For
example:
Let
me explain it to you.
He
made me apologize to her.
They
watched him perform on stage.
After
adjectives: Infinitives can follow certain adjectives to
express purpose or intention.
For
example:
She
is happy to see her friends.
It's
important to be kind to others.
He
was eager to start his new job.
After
nouns or pronouns: Infinitives can function as nouns themselves
or be used after nouns or pronouns.
For
example:
Her
goal is to become a doctor.
I
have no time to waste.
It's
a pleasure to meet you.
In
infinitive phrases: Infinitives can be used in phrases to
provide additional information about the main verb or noun in a sentence.
For
example:
She
went to the store to buy some groceries.
He
worked hard to achieve his goals.
They
gathered around the bonfire to sing songs.
In
passive constructions: Infinitives can be used in passive
voice constructions to express actions done to the subject.
For
example:
The
car needs to be repaired.
The
book was written by a famous author.
These
are some of the common uses of infinitives in English grammar. They allow us to
express a variety of meanings and convey different purposes in our sentences.
Rules
Use
"to" before the base form of the verb to form the infinitive in most
cases:
Examples: to
walk, to eat, to sleep, to study
Use
the infinitive as the main verb in a sentence to express an action or state:
Example: She
wants to learn how to play the piano.
Some
verbs are followed by an infinitive without "to." These include verbs
like "let," "make," "help," "watch,"
and "hear":
Examples: Let
me go. He made her laugh.
Infinitives
can be used after certain adjectives to express purpose or intention:
Examples:
It's
important to be kind. She is eager to start.
Infinitives
can be used after nouns or pronouns to provide additional information or
express purpose:
Examples: His
goal is to succeed. I have no time to waste.
Infinitives
can be used in infinitive phrases, where the infinitive is part of a larger
phrase providing additional information or purpose:
Example: She
went to the store to buy some groceries.
Infinitives
can be used in passive voice constructions to express actions done to the
subject:
Example: The
car needs to be repaired.
When
a verb follows "to" directly, it is known as the bare infinitive and
is used after certain verbs like "can," "should,"
"must," and "will":
Examples: She
can swim. You should study.
Remember
that the use of infinitives can vary depending on the context and sentence
structure. It's essential to pay attention to the specific rules and patterns
in different situations.
Additionally,
it's worth noting that in some cases, the infinitive marker "to" can
be omitted, especially in casual or informal speech. However, for formal or
written English, it is generally recommended to include the "to"
before the infinitive verb.
Exercises
1
Complete
the sentences by adding the appropriate infinitive form of the verb in
brackets.
I
love __________ (read) books in my free time.
They
decided __________ (go) to the beach for their vacation.
Please
remember __________ (turn) off the lights before leaving the room.
He
offered __________ (help) me with my math homework.
She
hopes __________ (find) a new job soon.
2
Rewrite
the sentences using an infinitive phrase.
She
studied hard. She wanted to pass the exam.
She
studied hard __________.
They
saved money. They wanted to buy a new car.
They
saved money __________.
He
woke up early. He intended to catch the first bus.
He
woke up early __________.
We
practiced every day. We aimed to win the competition.
We
practiced every day __________.
She
wrote a letter. She needed to apologize.
She
wrote a letter __________.
Answers:
Exercise
1:
I
love to read books in my free time.
They
decided to go to the beach for their vacation.
Please
remember to turn off the lights before leaving the room.
He
offered to help me with my math homework.
She
hopes to find a new job soon.
Exercise
2:
She
studied hard to pass the exam.
They
saved money to buy a new car.
He
woke up early to catch the first bus.
We
practiced every day to win the competition.
She
wrote a letter to apologize.
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