1. Because it is sunny today, we can go out

Công thức:

Although/Though/Even though + S + V + …
⇔ Despite/ In spite of + Noun/ V-ing

S + V + so + Adj. + that …
⇔ It + be + such + Noun + that

Since, As, Because + S + V + …
⇔ Because of, Due to, As a result of + Noun/ V-ing