Present Prefect Tense
Has/Have Been + Ist Form + ing
She (write) a lot of papers for her classes.
She writes a lot of papers for her classes.
used to describe events that happened prior to other events in the past
past perfect
Past Continuous Tense
Was/Were + Ist Form + ing
She (write) a paper all night, and she needed to get some sleep.
She had been writing a paper all night, and she needed to get some sleep
used to describe currently ongoing (usually temporary) actions
present continuous
She (write) a paper all night, and now she needs to get some sleep
She has been writing a paper all night, and now she needs to get some sleep
Present Simple Tense
Ist Form + s/es
She (write) the papers for all of her classes last month.
She wrote the papers for all of her classes last month.
used to describe events that began, continued, and ended in the past, emphasizing their relevance to a past moment
past perfect continuous
Past Simple Tense
2nd Form
She(write) a paper for her class.
She is writing a paper for her class.
used to describe events that began in the past and are expected to continue, or to emphasize the relevance of past events to the present moment
present perfect
Past Perfect Tense
Had + 3rd Form
She (write) papers for most of her classes, but she still has some papers left to write.
She has written papers for most of her classes, but she still has some papers left to write.
Future simple Tense
Will/Shall + Ist Form
used for events to be completed in the future
future simple
Present Continuous Tense
Is/Am/Are + Ist Form + ing
She (write) papers for her classes next semester.
She will write papers for her classes next semester.
used for facts, generalizations, and truths that are not affected by the passage of time
present simple
Past Perfect Continuous Tense
Had Been + Ist Form + ing
She (write) several papers for her classes before she switched universities
She had written several papers for her classes before she switched universities
used to describe events that started in the past and continue into the present or were recently completed, emphasizing their relevance to the present moment
present perfect continuous
She (write) a paper for her class when her pencil broke
She was writing a paper for her class when her pencil broke
used for events completed in the past
past simple
Present Prefect Continuous Tense
Has/Have Been + Ist Form + ing
used to describe ongoing past events, often in relation to the occurrence of another event
past continuous