Present perfect.

• We use the present perfect to talk about experiences

• My parents have been to Argentina many times

• We use the present perfect to talk about something which started in the past and continues now

• We have lived in this house for 5 years.

• We use the present perfect to talk about something which happened in the past but we don't say when.

• I have seen that movie before.

• We form the present perfect with the verb HAVE/HAS + PAST PARTICIPLE

• If it's a negative sentence, we use HAVEN'T / HASN'T + PAST PARTICIPLE

• If it's a question we flip the order of the sentences using HAVE YOU / HAS SHE-HE + PAST PARTICIPLE

Let's check your knowledge now

To use these tense it is important to remember that you have to use the past participle form of the verbs, let's see how well you know regular and irregular verbs.