Respuesta :
15 = es (manger = tu manges)
16 = issez (depends which vers on -ir) (finir =vous finissez (you finish)
17 = -s (prendre = tu prends)
18 = C -ent can't be a future tense ending
hope I helped !!
15.Which of the following endings may be added to a regular present tense -ER verb?
- es
Exemple : "danser" : je danse,tu dansES, il-elle-on danse,nous dansons,vous dansez,ils-elles dansent.
15.Which of the following endings may be added to a regular present tense -IR verb?
- issez
Exemple : "rougir" : Je rougis, tu rougis, il-elle,on rougit, nous rougissons, vous rougISSEZ, ils-elles rougissent.
17.Which of the following endings may be added to a regular present tense -RE verb?
-s
Exemple : "vendre" : je vends, tu vends, il-elle-on vend, nous vendons, vous vendez,ils-elles vendent
18.Which of the following is not a future tense ending?
-ent
- es
Exemple : "danser" : je danse,tu dansES, il-elle-on danse,nous dansons,vous dansez,ils-elles dansent.
15.Which of the following endings may be added to a regular present tense -IR verb?
- issez
Exemple : "rougir" : Je rougis, tu rougis, il-elle,on rougit, nous rougissons, vous rougISSEZ, ils-elles rougissent.
17.Which of the following endings may be added to a regular present tense -RE verb?
-s
Exemple : "vendre" : je vends, tu vends, il-elle-on vend, nous vendons, vous vendez,ils-elles vendent
18.Which of the following is not a future tense ending?
-ent