
➢Verbs which change their forms according to the tense and number and person of the subject.
Examples
oI want to write. (Tense) oI wanted to write. (Tense) oHe wants to write. (Number) oThey want to write. (Number) oI want to write. (Person) oHe wants to write. (Person)
➢A sentence without a finite verb is ungrammatical. o People want to win.
oIf we remove want, the sentence becomes ungrammatical. o People to win.
•Verbs which do not change their forms according to the number, person and tense of the sentence
• .
EXAMPLES
o I want to write. o He wants to write. o They wanted to write
•He is working.
•He was working.
•He has been working.

THE INFINITIVE
• Often introduced by a main verb and the word “to”.
oJolly is going to wait outside the theatre.
oI will ask him to come. oThey waited for Ravi to arrive.

oWhen infinitives are used without ‘to’, it is known as bare infinitives.
oThe old woman made the children cry. (Bare
Infinitive)
1. After modal verbs
If it doesn’t rain, I might walk there.
2.After the causative verbs 'make', 'have', 'let' and 'help’
Can you help me find my keys?
3.After verbs of perception like ‘see’, ‘watch’, ‘notice’, ‘observe’, ‘feel’, ‘hear’
I watched him move to a seat at the back.
4.After ‘would rather’, ‘had better’
You’d better call in a doctor.
5.After prepositions such as ‘except’, ‘but’ and ‘than’ She does nothing but cry.
6.After 'why' when making suggestions
Why wait until later when we can do it now?
GERUND
•Form: verb+ing
•A gerund also functions as a noun and is also known as
Verbal Noun.
EXAMPLES
1.Running is a good exercise
2.Smoking does harm to a body.
3.He likes reading stories.
4.They are fond of playing cards.

•A participle is used as an adjective or an adverb.
•They are known as verbal adjective.
• The present participle (verb+ing form)
Example: Look at the burning candle.
• The past participle (verb+ed/en/d)
Example: The weather being bad, I stayed at home.
• Perfect Participles (having + past participles)
Example: Having eaten his dinner, Tom went to sleep.