Maintenance is a noun and so doesn't have any tenses. Only verbs have tenses.
The future tense of "was" is "will be."
"maintenance" is a noun, therefore - it has no tense. The related verb is "to maintain" ("maintained" - Past Tense).
The future tense is will break.
No, get is present tense. The future tense is will get.
The future tense of "laugh" is "will laugh" or "shall laugh."
The future tense is will carry.
The future tense of "fancied" is "will fancy."
The future tense is will run.
The future tense is "will speak"
The future tense of “look” is “will look.”
The future tense is will cut.
The future tense of "beseech" is "will beseech".