For months at a time we did not see him.
Por meses enteros no le habíamos visto.
They set fire to the house for fun.
Por burla pegaron fuego a la casa.
We could not see the house for the smoke.
No podíamos ver la casa por el humo.
(a) 1. La señora pregunta por la señorita. 2. Ruéguele que me lo mande. 3. Pídame Vd. todo lo que quiera. 4. ¿Cuándo parte Vd. para Europa? 5. Para su edad es un muchacho muy intelligente. 6. No sé contestar a todas las preguntas que me hacen estos chicos. 7. Le dí mi gramática española por su libro de lectura. 8. Para el almuerzo he comprado tocino. 9. Lo hace todo por sus hermanos y no saben agradecérselo. 10. Murió por la patria como yo muriera por ella.
(b) 1. I shall ask them to come and see me in the country. 2. I promised my mother that I would ask you for some of your beautiful roses. 3. Ask the children if they are hungry. 4. I will ask his mother to ask him for it. 5. Shall we ask them to dinner for the day after to-morrow? 6. Will you wait for me while I look for it? (For will you say Quiere Vd.) 7. This is the book father bought for me in London. 8. It is a beautiful book for the price. 9. If it wasn't for the dust, we could see the horses. 10. Some friends have asked me to go to the theater with them this evening. 11. In Spanish they call a typewriter a "machine for writing." 12. They will sing for joy when they receive this news.