Tenses and Time Markers

Often used with the present perfect tense to indicate time starting in the past and continuing to the present.

Often used with the perfect tenses--in affirmative meanings.

Often used with the perfect tenses--to indicate a particular time.

Often used with the present continuous tense.

Often used with the future tenses or with the present continuous tense when it refers to the future.

Often used with the simple and continuous tenses to show a duration of time. Not usually used with the perfect tenses.

Often used with the simple tenses to indicate habitual actions.

Often used with the perfect tenses--in negative meanings and in questions.

Give the idea that one event happens or happened before another time or event.

Often used with the present tenses.

Often used with the perfect tenses or the simple tenses--to indicate a duration of time.

Often used with the past tenses.

Give the idea that an event or situation is in progress during a particular time.

Expresses an event or situation that exists now or that usually, always, or often exists.

Expresses an event or situation that began and ended in the past.

Expresses an event or situation that will happen at one particular time in the future.