PAST SIMPLE & PRESENT PERFECT

In Simple Past tense the time is defined.

• TRUE

• FALSE

In Present Perfect tense the action started at some point in the past and still has effects in the present. Time isn't specific.

• FALSE

• TRUE

Simple past sentences use the auxiliary DID for affirmative sentences.

• TRUE

• FALSE

DID and DIDN'T are used in Present Perfect tenses.

• TRUE

• FALSE

In the Present Perfect tense the auxiliary verbs are

• DID, DIDN'T

• HAVE, HAVEN'T,

  HAS, HASN'T

• DO, DOES

Common adverbs used in Present Perfect are

• always, never, often

• already, ever, yet

• yesterday, that day

The difference between Simple Past and Present Perfect is

• the definition of when the action happened

• how long the action lasted

• how often the action happened