...Numero, definition, tiempo y aspect, caso, persona, género y modo.
Answer:
Well, you will know when to use -er when you refer as verbs with infinitives ending. What you will do is drop the -er from the infinitive and add the second conjugation present tense endings: -o, -es, -e, -emos, -en.
Explanation:
To use -ar you will use the first conjugation, for example, hablar, lavar, llamar.
Answer:
Sí, y en la sala hay una ventana grande y no hay cortina
Explanation:
it's the last
