PRESENT PERFECT

​1. I/You/We/They have sold.

​2. ​I/You/We/They have not sold.

​3. Have I/you/we/they sold?

​4. Yes, I I/you/we/they have. or No, I/you/we/they have not(haven't).

​

​1. He/She/It has sold.

​2. He/She/It has not sold.

​3.Has he/she/it sold?

​4. Yes, he/she/it has. or No, he/she/it has not(hasn't).

​1. I/You/We/They have been selling.

​2. I/You/We/They have not been selling.

​3. Have i/you/we/they been selling?

​4. Yes, I/you/we/they have. or No, I/you/we/they have not.

​

​1. He/She/It has been selling.

​2. He/She/It has not been selling.

​3. Has he/she/it been selling?

​4. Yes, he/she/it/ has. or No, he/she/it has not.

​1. Something that started in the past and has continued until now.

​He has coached wrestling for eight years.

​

​2. Something that happened in the past, but we don't know or we don't say exactly when.

​The team has bought new uniforms.