French Verb Conjugations
| Present | Imperfect | Future | Conditional | Subjunctive | Imperfect subj. | |||
| je | frustre | frustrais | frustrerai | frustrerais | frustre | frustrasse | ||
| tu | frustres | frustrais | frustreras | frustrerais | frustres | frustrasses | ||
| il | frustre | frustrait | frustrera | frustrerait | frustre | frustrât | ||
| nous | frustrons | frustrions | frustrerons | frustrerions | frustrions | frustrassions | ||
| vous | frustrez | frustriez | frustrerez | frustreriez | frustriez | frustrassiez | ||
| ils | frustrent | frustraient | frustreront | frustreraient | frustrent | frustrassent | ||
| Passé composé | Past perfect | Future perfect | Past conditional | Past subjunctive | Pluperfect subj. | |||
| j’ | ai frustré | avais frustré | aurai frustré | aurais frustré | aie frustré | eusse frustré | ||
| tu | as frustré | avais frustré | auras frustré | aurais frustré | aies frustré | eusses frustré | ||
| il | a frustré | avait frustré | aura frustré | aurait frustré | ait frustré | eût frustré | ||
| nous | avons frustré | avions frustré | aurons frustré | aurions frustré | ayons frustré | eussions frustré | ||
| vous | avez frustré | aviez frustré | aurez frustré | auriez frustré | ayez frustré | eussiez frustré | ||
| ils | ont frustré | avaient frustré | auront frustré | auraient frustré | aient frustré | eussent frustré | ||
| Passé simple | Past anterior | Imperative | Participles | |||||
| je / j’ | frustrai | eus frustré | (tu) | frustre | Present | frustrant | ||
| tu | frustras | eus frustré | (nous) | frustrons | Past | frustré | ||
| il | frustra | eut frustré | (vous) | frustrez | Perfect | ayant frustré | ||
| nous | frustrâmes | eûmes frustré | Past imperative | |||||
| vous | frustrâtes | eûtes frustré | (tu) | aie frustré | Past infinitive | |||
| ils | frustrèrent | eurent frustré | (nous) | ayons frustré | avoir frustré | |||
| (vous) | ayez frustré | |||||||
Frustrer is a regular -er verb.



Studying French online has many benefits, as well as some limitations. If you want to get serious about learning French but can’t handle a rigid class schedule, private tutors are the way to go. 
Consonants are sounds created by blocking or hindering the passage of air through the mouth in some way.