In the indicative there are also the following compound tenses: Future tense is a compound form made of the particle and present tense ( , 'I will study'); negation is expressed by the construction and present tense ( , or the old-fashioned form , 'I will not study'); Past future tense is a compound form used to express an action which was to be completed in the past but was future as regards another past action; it is made up of the past imperfect of the verb ('will'), the particle ('to') and the present tense of the verb (e.g. , , 'I was going to study'); Present perfect is a compound form used to express an action which was completed in the past but is relevant for or related to the present; it is made up of the present tense of the verb съм ('be') and the past participle (e.g. , 'I have studied'); Past perfect is a compound form used to express an action which was completed in the past and is relative to another past action; it is made up of the past tense of the verb съм and the past participle (e.g. , 'I had studied'); Future perfect is a compound form used to express an action which is to take place in the future before another future action; it is made up of the future tense of the verb съм and the past participle (e.g. , 'I will have studied'); Past future perfect is a compound form used to express a past action which is future with respect to a past action which itself is prior to another past action; it is made up of the past imperfect of , the particle the present tense of the verb съм and the past participle of the verb (e.g. , , 'I would have studied').
In the indicative there are also the following compound tenses: Future tense is a compound form made of the particle and present tense ( , 'I will study'); negation is expressed by the construction and present tense ( , or the old-fashioned form , 'I will not study'); Past future tense is a compound form used to express an action which was to be completed in the past but was future as regards another past action; it is made up of the past imperfect of the verb ('will'), the particle ('to') and the present tense of the verb (e.g. , , 'I was going to study'); Present perfect is a compound form used to express an action .which was completed in the past but is relevant for or related to the present; it is made up of the present tense of the verb съм ('be') and the past participle (e.g , 'I have studied'); Past perfect is a compound form used to express an action which was completed in the past and is relative to another past action; it is made up of the past tense of the verb съм and the past participle (e.g. , 'I had studied'); Future perfect is a compound form used to express an action which is to take place in the future before another future action; it is made up of the future tense of the verb съм and the past participle (e.g. , 'I will have studied'); Past future perfect is a compound form used to express a past action which is future with respect to a past action which itself is prior to another past action; it is made up of the past imperfect of , the particle the present tense of the verb съм and the past participle of the verb (e.g. , , 'I would have studied').