Present Perfect Simple & Present Perfect Continuous

What is Present Perfect Simple?

• Expresses an action that is still going on or that stopped recently, but influences the present. It emphasizes the result.

• Expresses an action that happened already but has an influence on the present. It emphasizes the result.

• Expresses actions that are incomplete.

Present Perfect Continuous is known as an action that started in the past and is still ongoing at the present moment. True or false?

• True

• False

What is affirmative?

• Affirmative sentences simply mean sentences that state something positive and don't use negation words such as "not" or "didn't"

• Affirmative sentences simply mean sentences that state something negative and uses negation words such as like "not" or "didn't"

• words that can be used for refusals, rejects, describing something isn’t true.

How to form a negative sentence?

• Negative sentences are formed by adding a negative word to an affirmative sentence.

• Negative sentences are formed by adding a positive word to an affirmative sentence.

I/we/you/they have. Is this statement correct?

• True

• False

No, she/he/it haven't. Is this statement true?

• True

• False

(Subject + has/have + not + past participle)

Select the correct answer

• Present Perfect Simple Forms

• Present Perfect Contiuous Forms

• Past tense

• Future Tense

(Subject + has/have + not + been+ present participle)

Select the correct answer

• Present Perfect Simple Forms

• Present Perfect Contiuous Forms

• Past tense

• Future Tense

They have been studying the behavior of squirrels in the park.

• Present Perfect Simple Sentences

• Present Perfect Continuous Sentences

The seasons ______ transformed the landscape around us.

• has

• have

• has been

• have been