Hmm, so manger = to eat
Je mange
Tu manges
Il/elle mange
Nous mangeons
Vous mangez
Ils/elles mangent
So you’re just conjugating for a regular er verb. If you need more help just say so. :)
The verbs would be etre means be in french and Avoir means to have
Answer:
The singular form of les ecoles and des ordinateurs are:
les écoles (plural) - l`école (singular)
des ordinateurs (plural) - un ordinateur (singular)