Identify the tense.
When the rain started, we were standing in the field .

The past denotes those actions that have already taken place within the past. to border verbs within the past, you want to add the suffix ‘ed’ to the conjugated type of the infinitive of the verb. ‘Infinitive’ refers to the ‘to form’ of a verb. E.g. - to meet.
There area unit four kinds of past tenses:
The Simple past is employed once the action is indefinite within the past. It doesn’t create use of any auxiliary verb.
The Past imperfect is employed once the action is continuous within the past. The infinitive type of such verbs is preceded by the auxiliary was.
The past perfect tense Tense is employed once the action has been completed within the past itself. The infinitive type of such verbs is preceded by the auxiliary had.
The past perfect tense imperfect is employed once Associate in Nursing action is predicted to continue up till some extent within the past. The infinitive type of such verbs is preceded by the auxiliary had been.
In the higher than question, the action is continuous within the past as hinted from the actual fact that that they had been within the field and had obscurity to travel. this suggests that the tense of the action is that the Past imperfect. Following the principles of conjugation, the proper answer is ‘When the rain started, we have a tendency to were standing within the field’.