Subject + Had + Past Participle of The Verb + the rest of the sentence.
To formulate affirmative sentences in this tense, we use the auxiliary "Had", regardless of the subject of the sentence.
The main verb is conjugated in Past Participle but its form will depend on the regular or irregular form of the verb.
If the verb is Regular, we add "-ed" at the end of it.
If the verb is Irregular, it will appear in the irregular verb list, the Past Participle appears in the 3rd column.
Examples
I wrote an essay about the book that I had read before.
British
American
Susan had worked the whole day before she went back home.
British
American
He had finished school when he met Kate.
British
American
She had never been to India.
British
American
Subject + Had Not + Verb Conjugated In The Past Participle + the rest of the sentence.
In the negative sentences, add "not" to the auxiliary verb "Had not (Hadn't)".
The Verb is always conjugated in the Past Participle.
Examples
She hadn't ridden a horse for a long time so she was scared.
British
American
I hadn't been to England until 2002.
British
American
Bobby had not cleaned his room when mum arrived.
British
American
Had + Subject + Verb Conjugated In Past Participle + the rest of the sentence?
The interrogative form is formulated writing the auxiliary "Had" before the Subject.
The verb of the sentence is always written in Past Participle.
Examples
Had they found Emily when her dad appeared?
British
American
Had she phoned the police before the thieves left?
British
American
Had you studied for that exam you failed?
British
American
1 _____ the robbery several months before.
2 The kids _____ the wall.
3 I _____ so scared since your mother was pregnant.
4 We can use either "Had Not" or its short form "Hadn't".
5 _____ your exam?
6 The auxiliary used in this tense is "Had".
7 We use "Didn't" in the negative form.
8 We use the infinitive form of the Verb.
9 We use the Participle form of the Verb.
10 You had _____ your essay when she arrived.
11 Emma _____ the window when it started raining.
12 The thief _____ the bank.
13 I _____ you there.
14 _____ they found the bag?
15 When her mum entered, Kathy _____ the glass.
