grammar 3 gerunds and infinitives- i co-2011
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Gerunds andGerunds andinfinitivesinfinitives
Grammar IIII CO – 2011
byCarlos Roberto Mora
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Infinitive• The uninflected form of the verb.• The infinitive form may be used alone or in
conjunction with the particle to.• An infinitive is the base form of a verb with
-to-
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Infinitive (to) + Gerund• The infinitive after a verb often
describes a future event. After: hope, expect, promise, want… the
event in the to-infinitive comes after the activity or thought in the main verb:
– I hope to see you next week.
• Gerund describes an activity. – We enjoyed seeing you last weekend.
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• afford / agree• learn / need• ask / decide• promise / refuse - to - to -• expect / fail• tell / want• hope / wish• want / decide
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afford / agree• I agree to go to the USA trip this
summer. • I can afford to buy this picture.
learn / need
• We should learn to do housework.• Human need to drink water.
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Hope / wish• I hope to meet Beckham in
England.• I wish to fly up high in the sky.
Want / decide• I want to do the homework today.• I decide to buy this book.
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Expect / fail• We expect to pass the English exam.• We failed to do the homework.
Tell / want
• He wanted to tell her about his feelings.
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Ask / decide• I asked my mum to go shopping
with me.• I decided to go hiking this Sunday.
Promise / refuse
• I promised my mother to finish my homework this weekend.
• I refuse to invite Mary to my party.
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No major difference in meaning• Some verbs can be followed by either
the infinitive or the gerund without any major difference in meaning:
Begin
Continue
Start Intend
• Mother Teresa started to live/living in the slums of Calcutta from 1948.
• Though she faced many problems, Mother Teresa continued to work/working for the poor.
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Gerund (general) to-infinitive (particular situation)
• Some verbs are generally followed by the gerund when used in a general sense
• The to-infinitive is often used for a particular situation.
• I like swimming, but I don’t like to swim on cold days.
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The Gerund The Gerund is formed by adding “ing” to the base form of a verb
• swim swimming• eat eating• run running
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The Gerund can be used…
As a noun
• Running is my favourite sport. (subject)• He tried running faster. (object)• She was afraid of losing. (object of
preposition)
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After adjectives + preposition
accustomed to capable of fond of afraid of successful in good at tired of interested in
• She is accustomed to training for many
hours.• He is good at running the 200 meters race.
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• admit• avoid• delay• deny• enjoy - ing - • finish• keep• mind
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Admit• My brother admitted breaking the
vase.
Avoid• I avoid walking on busy streets.
Delay• The school delayed opening this
morning.
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Finish• I finish doing my homework.
Keep• After 4 hours, he keeps standing there.
Mind• Would you mind lending your pen to
me.
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Deny• I deny doing a wrong thing• I deny being late to school every
day.• I deny talking during the lesson.
Enjoy• I enjoy playing computer games.
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After verbs…
admit can’t help finish keep try enjoy advise keepdislike appreciate mindavoid understand suggest forgive
• John has finished repairing his bicycle.• They enjoy walking in the evening. • Mary dislikes swimming in winter.
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I enjoy to swim.
Which is correct ?
I enjoy swimming.right
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I want to study .
Which is correct ?
I want studying.
right
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I finish to eat .
Which is correct ?
I finish eating.right
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I need to study .
Which is correct ?
I need studying.
right
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I hope to study .
Which is correct ?
I hope studying.
right
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I stopped to smoke.
Which is correct ?
I stopped smoking.right
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Also… Some verbs can be followed by either an infinitive
or a gerund, with NO DIFFERENCE IN MEANINGI like to read / I like reading
Some verbs can be followed by either an infinitive or a gerund, but THEIR MEANINGS ARE NOT THE SAME
I will remember to call her.(I will be sure to call her in the future.)
I remember calling her.(I have the memory of calling her in the past.)
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Gerunds are often used when actions are real,
concrete or completed:
I stopped smoking. (The smoking was real and happened until I stopped.)
Infinitives are often used when actions are unreal, abstract, or future:
I stopped to smoke. (I was doing something else, and I stopped; the smoking had not happened yet.)
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Summary table for (to) infinitive and gerundTo infinitive Gerund (-ing forms)
1. Use as subjectEg: To smoke is bad for
you.
1. Use as subject (more common)
Eg: Smoking is bad for you.2. To say why we do
things (purpose)
Eg: I got up early to catch the 7am train.
2. After prepositions (on, in, before, for, without, after…etc.)
Eg: You can’t live without eating.
Eg: Thank you for listening.3. After some verbs (expect, afford, want, need, prepare, refuse, choose, fail, learn, promise, hesitate...etc)
Eg: I expect to pass the exams.
3. After some verbs (eg: dislike, enjoy, practise, mind, avoid, consider, discuss, finish, keep, miss, suggest, keep, can’t help…etc)
Eg: I’ll finish studying in June.
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Summary table for (to) infinitive and gerund
To infinitive Gerund (ing forms)4. After some adjectives
and nouns: Adj = easy, happy, glad, nice, excited, ready, difficult, dangerous ...etc; Noun = work, money to spend, something to drink, different ways to protect her.…etc)
Eg: She is ready to leave. (adj)
Eg: I am glad to see you. (adj)
Eg: I’ve got work to do. (n)
4. After phrasal verbs:
Eg: I am not good at dancing.Eg: I am not interested in
singing.Eg: John will give up smoking.
5. Some verbs can be followed by either gerund or (to) infinitive:
Eg: I love going to school/I love to go to school
5. Eg: Begin, continue, hate, love, start…etc.
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Summary table for (to) infinitive and gerundTo infinitive Gerund (ing forms)
6. Used in general sense (Eg: love, like, hate, prefer..etc)Eg: I like swimming.
6. Used in particular situations
Eg: I don’t like swimming on cold days.
7. No + gerundEg: No money, no talking.
* Some words can use both to-infinitive and gerund with the same meaning. (Eg: love, like, begin, start, intend, continue..etc)
8. Stop + gerund.Eg: Stop talking, stop
writing, stop walking…etc.
* Some words can use both to-infinitive and gerund with different meaning. (Eg: remember, try..etc)
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