Test on Present Perfect: Actions started in the past and continuing in the present

• Their view, the one they held for a long time - is that they need to continue their research on this matter.
• Their view, the one they have held for a long time - is that they need to continue their research on this matter.
• Their view, the one they hold for a long time - is that they need to continue their research on this matter.

Test on Present Perfect: Recent Action

• The company recently dealt with numerous complaints over the nature of so-called freemium games being advertised as free downloads while effectively hiding major features behind in-app purchases
• The company has recently dealt with numerous complaints over the nature of so-called freemium games being advertised as free downloads while effectively hiding major features behind in-app purchases

Test on Present Perfect: Time period has not finished: this year, today

• My sister has planted this flower a month ago, and now it is so big already
• My sister planted this flower a month ago, and now it is so big already

Test on Present Perfect: When we don’t use Present Perfect

• He began his show business career as a teenaged magician during World War 2
• He has begun his show business career as a teenaged magician during World War 2

Test on Present Perfect: When we don’t use Present Perfect

• He has screamed when he saw it on the red carpet
• He screamed when he saw it on the red carpet

Test on Present Perfect: Recent Action

• A police van just drive past, winding its way through the smoke
• A police van has just driven past, winding its way through the smoke

Test on Present Perfect: Actions started in the past and continuing in the present

• How long have you known each other?
• How long do you know each other?

Test on Present Perfect: When we don’t use Present Perfect

• It wasn't part of her life plan, and at the time, she had no interest in it.
• It wasn't part of her life plan, and at the time, she has had no interest in it.

Test on Present Perfect: The exact moment in the past is not specified

• Did you eat Chinese food before?
• Have you eaten Chinese food before?

Test on Present Perfect: Why “Present” when it denotes a past action?

• Because it's so complicated, so let's just call it "Present" and be done with that
• Because the verb "have" is in the present, expressing a "present" possession of a "done" in the past action
• Because the verb "has" indicates the third person which or who has no relation to the past

Test on Present Perfect: Actions started in the past and continuing in the present

• The show got very big since she has appeared on it
• The show has got very big since she appeared on it

Test on Present Perfect test: Actions started in the past and continuing in the present

• The services industry have grown for the fourth consecutive quarter
• The services industry grew for the fourth consecutive quarter
• The services industry has grown for the fourth consecutive quarter

Test on Present Perfect: The exact moment in the past is not specified

• In the last 5 years they have visit 10 countries
• They were visited 10 countries in the last 5 years
• In the last 5 years they have visited 10 countries
• They visited 10 countries in the last 5 years

Test on Present Perfect: Time period has not finished: this year, today

• Have you bought your car last year?
• Did you buy your car last year?

Test on Present Perfect: “Conversational Past Tense”

• Rockefeller became an assistant bookkeeper at age 16 and went into several business partnerships beginning at age 20, concentrating his business on oil refining. His wealth soared as kerosene and gasoline grew in importance, and he became the richest person in the country, controlling 90% of all oil in the United States at his peak. Rockefeller became the country's first billionaire, with a fortune worth nearly 2% of the national economy.
• Rockefeller became an assistant bookkeeper at age 16 and went into several business partnerships beginning at age 20, concentrating his business on oil refining. His wealth soared as kerosene and gasoline grew in importance, and he has become the richest person in the country, controlling 90% of all oil in the United States at his peak. Rockefeller became the country's first billionaire, with a fortune worth nearly 2% of the national economy.

Test on Present Perfect test: When we don’t use Present Perfect

• How many vacation days did you take last year?
• How many vacation days have you taken last year?

Test on Present Perfect: Actions started in the past and continuing in the present

• Sofia has grown so much since we first met her
• Sofia grew so much since we first have met her

Test on Present Perfect: The exact moment in the past is not specified

• I did never saw that movie
• I never saw that movie before
• I was never seen that movie
• I have never seen that movie