I would like to be an English teacher vs I would like to become an English teacher

Some examples from the web:

• When I grow up, I want to be an English teacher.
• It's not like I'm trying to be an English teacher or something.
• You want to be an English teacher?
• So according to this, our new neighbor used to be an English teacher in Tucson.
• I'm an English teacher, and that is a quote from Robert Browning.
• You know, I started as an English teacher.
• I was an English teacher for nearly 30 years.
• I know an English teacher who comes from Canada.
• As an English teacher, I am particularly aware of this.
• - I'm an English teacher here, And I can recommend reading to my students.
• After all, I am an English teacher
• I'm a cake-sitter, not an English teacher.
• I'm an English teacher from planet Earth, and I've run off with a man from space because I really fancy...
• I was also an English teacher.
• You know, he's an English teacher, he'd appreciate the poetic justice.
• Guy looks like an English teacher.
• What he studied had nothing to do with becoming an English teacher.
• He's the son of an English teacher.
• I'm Stacy Mullen, Finn's English teacher.
• I'm Mrs. Dodds, your substitute English teacher.

Some examples from the web:

• I would like to become a resource to you for improving your personal life.
• My Godson, Valerio, would like to become an acolyte in the convent.
• I would like to become a cat, but this is already grandfather Nanni.
• Tom would like to become a simultaneous interpreter.
• Lithuania would like to become a member of the euro zone as from 1 January 2007.
• I believe we are looking for a man or a woman who would like to become filthy rich.
• Many women would like to become self-employed but lack the courage on account of the uncertain social conditions.
• Memoranda of understanding are expressions of political will that a country would like to become a visa waiver country.
• Mr President, ladies and gentlemen, as you are aware, Romania would like to become part of the Schengen area from 2011.With this in mind, it has submitted to a number of assessments, five to be exact, four of which have already been completed.
• The results of the Eurobarometer survey on people's entrepreneurial mindset show that the European Union is still behind the United States, but also that over half of young EU residents would like to become entrepreneurs in the next five years.
• - to become an English country gentleman.
• So, Hannah I would like to formally ask you in front of all our friends and colleagues if you would like to become a permanent lawyer at the firm of Watkins, Goldberg and Schmidt?
• Having described how I came to be what I am today, I should like to move on to explain what I would like to become, and why I am standing as a candidate for President of the European Parliament.
• If you would like to become a distributor of the NLM, you must first have read our books, have a clear understanding of them, and believe in them.
• There isn't a scoundrel... who wouldn't like to become an angel.
• "I would like to become a member of the non-profit Committee... for the Right to Cremation in Greece, and... I'd like to receive free pamphlets published by the Committee."
• I would not like to become a permanent resident of this planet.
• Doctor, please, would you ask him if he would like to become... ...a Christian like Appa and myself?
• The ring comprises countries that do not aspire to EU membership but are keen on close cooperation with the EU, as well as other countries that would like to become members but are as yet unable to meet the criteria for becoming candidate countries.
• For example, would you like to become an elevator boy?