Answer:
1. No es cierto que las matemáticas sean muy difíciles.
2. El presidente no niega que el problema del cambio climático sea bastante complicado.
3. Ana duda que él vaya a terminar el trabajo a tiempo.
4. Mis amigos están seguros de que esa película es excelente.
5. No cabe duda de que el español se usa más y más cada día.
6. No es seguro que Lourdes y yo podamos ir a ayudarte esta tarde.
7. El maestro no cree que Marcos escriba muy bien en francés.
8. No es verdad que Pedro y Virginia nunca comen carne.
Translation:
1. It is not true that mathematics is very difficult.
2. The president does not deny that the problem of climate change is quite complicated.
3. Ana doubts that he will finish the work on time.
4. My friends are sure that this movie is excellent.
5. There is no doubt that Spanish is used more and more every day.
6. It is not certain that Lourdes and I can go help you this afternoon.
7. The teacher does not believe that Marcos writes very well in French.
8. It is not true that Peter and Virginia never eat meat.
Explanation:
This is an exercise about disagreements designed to train the relative pronoun "qué". The relative pronoun qué is used to connect sentences or phrases. In the passing from a simple sentence to a compound one, sometimes the verb must be subjunctive, depending on the certainty of the statement.
