Personal infinitive sentences may often be used interchangeably with finite subordinate clauses.
2.
An alternative hypothesis traces the personal infinitive back to the Latin infinitive, not to a conjugated verb form.
3.
The future subjunctive is identical in form to the personal infinitive in regular verbs, but they differ in some irregular verbs of frequent use.
4.
The Latin "'imperfect subjunctive "'underwent a change in syntactic status, becoming a personal infinitive in Portuguese and Galician.
5.
In regular verbs, the personal infinitive is identical to the subjunctive future tense; but they are different in irregular verbs : " quando formos " ( " when we go ", subjunctive ) versus " ?melhor irmos " ( " it is better that we go " ).