Present perfect vs present progressive

Present perfect vs. present per
Present perfect
Present perfect progressive
One time
For one hour
Tow times
For a day
Once
All day
Twice
All week
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Present perfect vs. simple past
Present perfect
Simple past
Already
Last night
Ever
Last week
Never
Last Monday
Yet
In 1979
Since
Tow days ago
So far
Yesterday
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present perfect case timeline.
______Xaction_____________/now____________ "Now is important".

simple past case timeline.

_____Xaction____________________/now________ "Now is not important".