eu tive = I had eu tinha = I used to have Isso se aplica a todos os verbos. O pretérito perfeito equivale ao simple past. O imperfeito, equivale ao "used to". Então, da mesma forma que podemos dizer "I had a dog" eu também posso dizer "I used to have a dog". Mas em algumas situações não podemos. Em geral, usamos o pretérito imperfeito para hábitos no passado, e o pretérito perfeito para situações terminadas.

Household income in different countries varies, and depends on how many people in the family work. In some countries, both, man and woman work, and contribute to the household budget. In other countries, the only working person is the man while the woman raises the children. Explanation: people is plural, so you use "work" not "works", just like "man and woman" Obs.: Maybe you could change man and woman for husband and wife too

Olá! Além das informações já mencionadas nos outros comentários, "assar" também é usado como preparo de comida (como carnes, por exemplo) com uso de pouco ou quase nenhum óleo.

"embedded" means "fixed firmly and deeply in a surrounding mass", a similar word would be "implanted". And, yes, your sentence is correct

Either: The committee requested the president not to take a holiday during the crisis OR The committee requested that the president didn't take a holiday

"I'm flattered" almost always has a positive connotation to it. It means "It's nice of you to say". It's usually said when someone complements you. For example, A: You look so beautiful today. B: Thank you. I'm flattered. Just like the adjective "flattering" means it's complimentary or favorable. For example "I really love this coat. It's flattering".

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