Usar "extempore" en una oración

1. In an extempore speech peppered with ideas and an infectious energy, Modi spoke of himself as a ‘sevak’ and an ‘outsider’ in Delhi

2. These opening bars he sang and translated extempore

3. Godwyn said several prayers, ending with an extempore plea in English that the death of the thief would serve God by deterring others from the same sin