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Content tagged with "completion"

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Aspects

aspect
completion
continuous
duration
perfect

The aspect of a verb does not indicate when an action takes place in time; it rather shows the relationship between the action and the passage of time as seen from the speaker's point of view.

Future perfect for actions completed before a point in the future

completion
future
perfect
point in time
WILL

The future perfect tense is used to express that an action will be completed before a point in time in the future (any time up to that point). This point can be implied or expressed with a time expression or a clause with a verb in the present simple tense:

Future time clauses

clauses
completion
duration
emphasis
future
point in time
present

In time clauses that refer to future time (clauses with if, when, after, before, as soon as, once, until, while etc.) we use the present tenses:

Past perfect for actions completed before a point in the past

completion
past
perfect
point in time

The past perfect tense is used to express that an action was completed before a point in time in the past. This point can be implied or expressed with a time expression or a clause with a verb in the past simple tense:

Past simple for completed actions in the past

completion
past
point in time
simple
AGO

The past simple tense is used for actions which are completed at a definite point in time in the past. This point can be implied or expressed with a time expression or a clause:

Present perfect for recent events with a result in the present

completion
perfect
present

The present perfect tense is used for recent events that have a result in or an effect on the present moment:

Present perfect in the first conditional

completion
conditionals
IF

The present perfect in the if-clause of a sentence in the first conditional emphasises that one action depends on the completion of another:

If I've finished writing my paper by tonight, I'll go out with my friends.

Present perfect with an incomplete period

completion
perfect
present

The present perfect tense is used to express actions happening in an incomplete period of time. An incomplete period is one that includes the present moment, that is, the time of speaking. This period can be implied or expressed with a time expression (today, this week, this year, ever, never etc.):

Present perfect with JUST

completion
perfect
present
JUST

The present perfect tense is used for recently completed actions, usually with the word just:

I have just started a typing course.

If the exact time is mentioned, the past simple is used:

Present perfect with quantities

completion
perfect
present

The present perfect tense is used to express quantities: how much we have done of something or how often we have done something in an incomplete period of time:

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