Page 45 - Grammar Class 08

G Forms of Present Perfect Continuous Tense .
Question

I, we have ’ve I, we
you have not have you
they haven’t been they been

he has ’s speaking. he speaking?
she has not has she
it hasn’t it

G Uses of Present Perfect Continuous Tense.

It is used —
· to express an action that began in the past and has been in progress till the time
of speaking.

· to express an action that finished just a short while ago.

Read the following examples:
1. I have been studying Grammar since 5 O’clock.

2. She has been watering the plants. She has stopped watering now

G Uses of Since and For .

· Since is used to suggest the point of time at which an action started.

Read the following examples:
1. Mrs Dhawan has been teaching the students since 8:00 a.m .

2. I have been waiting for the guests since morning .

· For is used to suggest the period of time for which an action has been going on.
Read the following example:

Mrs Dhawan has been teaching the students for three hours .

We often get confused between the usage of present continuous tense and present
perfect continuous tense.

Read the following examples:

1. Don’t disturb me. I am writing.
(Emphasis is on the fact that I am writing. Emphasis is on the activity.)

2. I am tired. I have been working for quite some time.

(Emphasis is on the fact that I have been working for quite some time. Emphasis is on
the duration.)

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Grammar