fascinar

The imperfect subjunctive ('fascinara', 'fascinaras') is used for past hypotheticals, wishes, and suggestions.

Use present subjunctive like 'fascine' (yo/él/ella/Ud.) after verbs of doubt, emotion, or desire.

Negative commands like 'no fascinen' (ustedes) use the present subjunctive with 'no'.

Use imperative forms like 'fascina' (tú) and 'fascine' (usted) for direct commands.

Use the conditional ('fascinaría') for hypotheticals ('would fascinate') and polite requests.

Use the preterite ('fasciné', 'fascinó') for completed actions in the past, like something that fascinated you once.

Use the imperfect ('fascinaba') for ongoing past actions or descriptions, like how something used to fascinate you.

Use the present tense ('fascino', 'fascina') for current actions, habits, or general truths about fascination.

The future tense ('fascinaré', 'fascinará') is for actions that will happen or to express probability.