1. Reason (Razón).- Se expresa la causa mediante los siguientes nexos
1.1. Because
1.1.1. Va seguido de una oración (con sujeto y verbo)
1.1.1.1. BECAUSE + CLAUSE
1.1.1.1.1. Example: We moved to another city because my father got a new job.
1.2. Because of
1.2.1. Va seguido del nombre
1.2.1.1. BECAUSE+OF+NOUN
1.2.1.1.1. Example: We moved to another city because of my father’s new job.
1.3. As/since
1.3.1. Van al principio de la frase
1.3.1.1. Example: As it is your birthday, I’ll lend you my best clothes.
2. Conjunciones y adverbios
3. Purpose (Propósito).- Este tipo de oraciones expresa la finalidad, el por qué alguien hace algo
3.1. To + infinitivo
3.1.1. Example: I went to the university to talk to one of my teachers
3.2. In order to
3.2.1. Example: I went to the university in order to talk to one of my so as to teachers. (more formal)
3.3. For + noun
3.3.1. Example: A knife is used for cutting
4. Resultado (Result).- podemos expresar la consecuencia mediante los siguientes nexos:
4.1. So
4.1.1. Example: She was ill so she couldn’t take the exam
4.2. As a result / therefore
4.2.1. Example: I failed my English test. Therefore, I took it again in September.
5. De tiempo (Time).- Los nexos más usuales que introducen este tipo de oraciones son:
5.1. When / as
5.1.1. Example: I’ll phone you when I know the answer
5.2. While
5.2.1. Example: While I was watching TV, the telephone rang
5.3. As soon as
5.3.1. Example: I’ll phone you as soon as I know the answer
5.4. Before / after
5.4.1. Example: The train had left before they got to the station
5.5. Until
5.5.1. We were waiting until she arrived
6. De contraste.- Los nexos que introducen este tipo de oraciones concesivas son los siguientes.
6.1. Although / even though / though
6.1.1. Van seguidos de una oración
6.1.1.1. ALTHOUGH / EVEN THOUGH / THOUGH + CLAUSE
6.1.1.1.1. Example: Although he didn’t have money, he bought the most expensive car.
6.2. In spite of / Despite
6.2.1. Van seguidos de nombre o un verbo sustantivado (en – ing)
6.2.1.1. IN SPITE OF / DESPITE + NOUN / -ING FORM
6.2.1.1.1. Example: In spite of not having money, he bought the most expensive car.
6.3. However, nevertheless, yet
6.3.1. Example: She didn’t want to have more children. However, she might change her mind.
6.4. While y whereas
6.4.1. Example: He is lively and easygoing whereas his sister is rather shy