Past Simple vs Present Perfect

Past Simple vs Present PerfectPast Simple actions at a stated

time in the past

An action that started and finished in the past

Present Perfect Action at an unstated

time in the past

Anh action that started in the past and continues in the present

Time ExpressionsPast Simple Yesterday Last night, week,

month, year, Monday In 1998, 2013 Two

days/weeks/months ago

Then, when,

Present Perfect Affirmative:

◦ For, since, already, just, always, recently

Negative:◦ For, since, yet, lately,

never Questions:

◦ Ever, how long, yet, lately