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atestiguar to testify to

Simple Tenses
Compound Tenses
Present Indicative
atestigu
Add present
indicative endings
atestiguo
atestiguamos
atestiguas
atestiguáis
atestigua
atestiguan
remove -o from atestiguo; gu > gü before e
Present Subjunctive
atestigü
Add present
subjunctive endings
atestigüe
atestigüemos
atestigües
atestigüéis
atestigüe
atestigüen
Imperfect Indicative
atestigu
Add imperfect
indicative endings
atestiguaba
atestiguábamos
atestiguabas
atestiguabais
atestiguaba
atestiguaban
remove -ron from atestiguaron
Imperfect Subjunctive
atestigua
Add imperfect
subjunctive endings
atestiguara
atestiguáramos
atestiguaras
atestiguarais
atestiguara
atestiguaran
Preterite
atestigü atestigu atestigu " " "
Add preterite
endings
atestigüé
atestiguamos
atestiguaste
atestiguasteis
atestiguó
atestiguaron
remove -ar from infinitive; gu > gü before e
Infinitive 
atestiguar
use infinitive as future stem
remove -ar and add -ando
Present Participle
atestiguando
remove -ar and add -ado
Past Participle
atestiguado
Future
atestiguar
Add future
endings
atestiguaré
atestiguaremos
atestiguarás
atestiguaréis
atestiguará
atestiguarán
Conditional
atestiguar
Add conditional
endings
atestiguaría
atestiguaríamos
atestiguarías
atestiguaríais
atestiguaría
atestiguarían
Perfect Indicative
present indicative
of haber
Add past participle
he atestiguado
hemos atestiguado
has atestiguado
habéis atestiguado
ha atestiguado
han atestiguado
Perfect Subjunctive
present subjunctive
of haber
Add past participle
haya atestiguado
hayamos atestiguado
hayas atestiguado
hayáis atestiguado
haya atestiguado
hayan atestiguado
pluperfect Indicative
imperfect indicative
of haber
Add past participle
había atestiguado
habíamos atestiguado
habías atestiguado
habíais atestiguado
había atestiguado
habían atestiguado
Past Participle
atestiguado
pluperfect Subjunctive
imperfect subjunctive
of haber
Add past participle
hubiera atestiguado
hubiéramos atestiguado
hubieras atestiguado
hubierais atestiguado
hubiera atestiguado
hubieran atestiguado
Future perfect
future
of haber
Add past participle
habré atestiguado
habremos atestiguado
habrás atestiguado
habréis atestiguado
habrá atestiguado
habrán atestiguado
Conditional perfect
conditional
of haber
Add past participle
habría atestiguado
habríamos atestiguado
habrías atestiguado
habríais atestiguado
habría atestiguado
habrían atestiguado

Key points

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This feature summarises the most important parts of each verb pattern, highlighting any irregular participles or verb stems. Get the book for the full verbMAPS experience.

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