Repaso de Gramática Lección 9

if you are expressing hypothetical statements about improbable situations what do you use

Si + past subjunctive + conditional

if you are expressing hypothetical statements about possible events what do you use

Si + present indicative + present tense future tense ir a + infinitive command

If the si clauses uses the past subjunctive what does the main clause use

conditional

if the si clause uses the past perfect subjunctive

conditional perfect

what is another purpose of the conditional perfect?

expresses probability or conjecture about the past

what is another use of the future perfect

expresses supposition or probability regarding a past action

how do you form a command

formal: affirmative and negative you switch ending -- tomar -- tome, no tomen informal: affirmative 3rd person indicative. negative second person change the ending viajar -- viaja, no viajes

What are the endings for el futuro perfecto

habré habrás habrá habremos habréis habrán

what are the endings of el condicional perfecto

habría habrías habría habríamos habríais habrían

how do you form the conditional perfect

habría, habrías, habría, habríamos, habrían, habrían

how do you form the past perfect subjunctive

hubiera, hubieras, hubiera, hubieramos, hubierais, hubieran + past participle

if the si clause uses the imperfect tense, what does the main clause use

imperfect

what is the future perfect used to express

it is used to express what will have happened at a certain point

what phrases are used with el futuro perfecto

para + time expression antes de (que) cuando dentro de hasta (que)

If the si clause uses present indicative, what does the main clause use?

present tense future tense ir a + infinitive command

how do you form the past subjunctive

ra, ras, ra, ramos, rais, ran

If you are expressing habitual conditions and actions in the past

si + imperfect + imperfect

If you are expressing hypothetical statements about the past

si + past perfect subjunctive + conditional perfect

what does the conditional perfect tense express

the conditional perfect tense is used to express what would have occurred but did not

endings of the future tense

é, ás, á, emos, éis, án

how do you form the imperfect

ía and aba endings

how do you form the conditional

ía, ías, ía, íamos, íais, ían