6. simple perfect continuous perfect-cont
past
simple past past perfect past continuous past perfect-
continuous
present
simple present present perfect present continuous present perfect-
continuous
future
simple future future perfect future continuous future perfect-
continuous
past-future
simple past-future past-future perfect past-future
continuous
past-future perfect-
continuous
16 Time-based
Tenses
7. simple
(verb)
perfect
(to have+ past
participle)
continuous
(to be + present
participle)
perfect-cont
(to have + been +
present participle)
past
(past verb)
S + (past verb)
S + had + past
participle
S + was/were +
present participle
S + had + been +
present participle
present
(present verb)
S + (present verb)
S + have/has + past
participle
S + am/is/are +
present participle
S + have/has + been +
present participle
future
(will)
S + will + infinitive
S + will + have +
past participle
S + will + be +
present participle
S + will + have + been +
present participle
past-future
(would)
S + would + infinitive
S + would + have +
past participle
S + would + be +
present participle
S + would + have + been +
present participle
Active Indicative Tenses
8. simple
(to be + past
participle)
perfect
(to have+ been+
past participle)
continuous
(to be + being +
present participle)
perfect-cont
(to have + been +
present participle)
past
(past verb)
was/were +
past participle
had + been +
past participle
was/were + being +
past participle
had + been + being +
past participle
present
(present verb)
am/is/are +
past participle
have/has + been +
past participle
am/is/are + being +
past participle
Have/has + been +
being + past participle
future
(will)
will + be +
past participle
will + have + been +
past participle
will + be + being +
past participle
will + have + been +
being + past participle
past-future
(would)
would + be +
past participle
would + have + been +
past participle
would + be + being +
past participle
would + have + been + being
+ past participle
Passive Indicative Tenses