Skip to main content

Study Resource: Tense and aspect in English

By: revel arroway

The following resources will help you form English verbs by combining tense (past, present, future) and aspect (simple, continuous, perfect).

Forming verbs in different aspects

Auxiliary verbs and main verb forms for different aspects

Simple

do / ∅

Root

(root)

Present form

(root + -s)

Simple past

(usually: root + -ed)

Continuous

be

Present participle

(root + -ing)

Perfect

have

Past participle

(root + -ed / irregular)

How to conjugate auxiliary verbs

SubjectPastPresentFuture
I / you / we / they
did
does

–*

he / she / it
do
SubjectPastPresentFuture
I
was
am
will be
he / she / it
is
you / we / they
were
are
SubjectPastPresentFuture
I / you / we / they
had
have

will have

he / she / it
has

How does aspect impact meaning?

Verb aspectPastPresentFuture

Simple

a finished action

a habit, custom, truth, or thought

a set plan or truth in the future

We went to school yesterday.
We go to school every day.
The sun will rise tomorrow at 7:00.

Continuous

a past ongoing action happening when something else occurred

something happening during the moment of speech

a future action that continues for some time

We were walking to school when it started to rain.
He is studying a new language now.
She will be teaching in Paris next semester.

Perfect

past events that happened before and were important for a past moment

past events that are important for understanding the present moment

events that will be important for a later future moment

I had read the book many times before I saw the movie.
I have read that book already.
I will have read that book twice by the time I see the movie.