PAST PERFECT CONTINUOUS

1. Grammarly, it always uses the auxiliar verbs HAVE BEEN or HAS BEEN according to the subject pronoun.

1.1. EXAMPLE: Love-Loved

2. The main verbs is always in progressive form, is to soy, with the ING ending.

2.1. EXAMPLE: They have been drinking too much

2.2. EXAMPLE: Before I came here, I had spoken to Jack

3. This tense is used to talk about activities that stardet in the past but they are not finished yed and also have a certain duration.

3.1. EXAMPLE: If I had seen him, I would have talked to him.

4. EXAMPLE: Laura has been singing better

5. In negative sentences the participe "NOT" is next to the auxiliar HAS/HAVE and before BEEN.

6. HAS/HAVE open the sentence and BEEN  is next to the subject

6.1. NEGATIVE: I Had not spoken

6.1.1. QUESTION: Had I spoken?