Ayer yo prometí llevar a mi sobrino al cine.
This sentence means - Yesterday, I promised to take my cousin to the cinema.
When it comes to the word ayer (= yesterday), you know immediately that you should use the preterite form of a verb, which in this case is prometer. For first person singular, I, that form is prometí.
In 1931, Canada achieved near total independence from the United Kingdom with the Statute of Westminster 1931<span>, and full sovereignty was attained when the </span>Canada Act 1982<span> removed the last remaining ties of legal dependence on the </span>Parliament of the United Kingdom<span>.Canada is a </span>federal parliamentary democracy<span> and a </span>constitutional monarchy<span>, with Queen </span>Elizabeth II<span> being the head of state. The country is </span>officially bilingual<span> at the federal level. It is one of the world's most ethnically diverse and </span>multicultural<span> nations, the product of </span><span>large-scale immigration from many other countries</span>
