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Tenses demonstrate the time of actions centered around the subject of the sentence. These actions are called verbs and change according to tenses.
There are four Future tenses:
Future Perfect Simple is used for:
Some adverbs used with Past Perfect Continuous for future actions:
Es una reacción química en la que un combustible se quema o reacciona en presencia de oxígeno, liberando gases como el Co2, agua y energía, la mayoría de las veces en forma de luz o calor
Triangulo de combustión
Calor
Combustible
Tipos de combustibles
No combustible
Son lo contrario a el combustible
Metales como el azufre
Tienen carbono, arden con el O2, producen luz, calor, y CO2
Gasolina
Oxígeno
Structure:
Will + Subject + Have Been + Verb-ING
e.g. How long will they be working on that project next week?
Cuando agitas un refresco y se forman burbujitas
Type in your own examples or you can also choose from the examples below.
Form of word "to be":
Form of word "to have":
Cuando un acido entra en contacto con sustancias como el bicarbonato de sodio
Structure:
Subject + Won’t Have Been + Verb-ING
e.g. They won’t have been working on that project for two years next week.
Ocurre cuando los microorganismo comienzan a cambiar la composición de los alimentos y por lo tanto ya nos son comestibles
Type in your own examples or you can also choose from the examples below.
Form of word "to be":
Form of word "to have":
Structure:
Subject + Will Have Been + Verb-ING
e.g. They will have been working on that project for two years next week.
Penicilina
Cerveza
Yogurt
Vinagre
There are four Present tenses:
Type in your own examples or you can also choose from the examples below.
Form of verb 'to be':
Form of verb 'to have':
