Perfect tenses

We use past perfect tense when...

• We talk about actions that happened in the past but keep going in the present or in the future.

• We talk about two actions that happened in the past but one of them were before the other one.

• We talk about two actions that will happen in the future but one of them will be before the other one.

• We talk about finished actions

We use present perfect tense when...

• We talk about actions that happened in the past but keep going in the present or in the future.

• We talk about two actions that happened in the past but one of them were before the other one.

• We talk about two actions that will happen in the future but one of them will be before the other one.

• We talk about finished actions

We use future perfect tense when...

• We talk about actions that happened in the past but keep going in the present or in the future.

• We talk about two actions that happened in the past but one of them were before the other one.

• We talk about two actions that will happen in the future but one of them will be before the other one.

• We talk about finished actions

Which sentence talk about an action that happened in the past but keep happening in the present or the future?

• I will have worked as a teacher before you finish your degree

• I am going to work as a teacher many years

• I have worked as a teacher SINCE 2002

• I had worked as a teacher before you started your primary school

Which sentence talk about two actions in the past but one of them were the first?

• I will have worked as a teacher before you finish your degree

• I am going to work as a teacher many years

• I have worked as a teacher SINCE 2002

• I had worked as a teacher before you started your primary school

Which sentence talk about two actions in the future but one of them will be the first?

• I will have worked as a teacher before you finish your degree

• I am going to work as a teacher many years

• I have worked as a teacher SINCE 2002

• I had worked as a teacher before you started your primary school

Which sentence talk about the action that happened the first?

"The plane had left by the time I got to the airport"

• By the time

• I got to the airport

• The plane had left

Which sentence talk about the action that will happen the first?

"Before he apologize, I will have written the email"

• Before

• I will have written the email

• He apologize

Which sentence talk about an action that started in the past but may continue in the present or in the future?

"I have lived with my father since I was a little boy

• I have lived with my father

• I was a little boy

• Since

From 1 to 5, did you understand the difference between the use of each of the perfect tenses?

• No I didn´t understand anything

• I understood a little

• I understood some ideas

• I understood the most

• I understood everything