Now that you have worked through a lot of material that includes these basic patterns, and you have compared grammatically correct and incorrect sentences, write down what you think is a rule that could explain what makes a sentence grammatically correct or not. For example, you might write something like: "verbs always match nouns in number, and they usually come before the noun." In other words, make your best guess for the grammar rule that makes sense out of the pattern(s) you see in the phrases you have been working with. Review if you need to, and you might briefly check your hunches against the sentences you have been working with in this or previous modules. Keep in mind that what you're after is your hunch, not a grammar rule from a text book. Now check your hunch with the explanation of this principle in the following pattern.
Answe is B 7 days in a week
Dudo que los osos polares (polar bears) vayan a sobrevivir (survive).
Luisa está segura de que se puede evitar la extinción de algunas especies.
No hay duda de que la caza (hunting) está afectando algunos ecosistemas.
Es imposible que yo recicle suficiente (enough) aluminio.
Es cierto que ustedes niegan el cambio climático.
Es probable que haya/existan menos especies (species) de animales en el futuro.
No negamos que hay/existe un grave problema de sobrepoblación.
Ellos no creen que su carro contamine.
No es seguro que esta fábrica reduzca su nivel de contaminación.
No cabe duda de que mis primos evitan tirar basura en la calle.
Es improbable que tú destruyas estos árboles.
Es verdad que nosotros conservamos energía.
The answer is B. Comprare
