CONECTIVOS DE CERTEZA
São advérbios e locuções adverbiais que caracterizam como inquestionável a ideia a que se referem. São muitas vezes desnecessários, devendo ser usados com moderação.

EXEMPLOS:

Ricardo Schütz
Atualizado em 24 de setembro de 2007
  
 
    
Sem dúvida / Certamente / Com certeza / Evidentemente …
Of course / For sure / Definitely / Certainly / Without a doubt
sem dúvida
  Os fogos de artifício eram, sem dúvida o mais esperado da noite e corresponderam bem às expectativas.
  A descoberta de Hubble em 1929 – um universo dinâmico em expansão – foi sem dúvida uma das maiores descobertas do século.
  Sem dúvida, há casos difíceis ou impossíveis de serem explicados por nossos conhecimentos atuais.
  Sem dúvida, temos que intensificar a crítica contra os poderosos, que fazem pouco caso dos efeitos do aquecimento global.

certamente
  O que a revista publicou são fatos duvidosos e certamente inúteis.
  Nosso grande problema certamente está na tentativa constante de achar explicações imediatas para tudo.
  Certamente, a guerra é um elemento constante na história da humanidade.
  Precedentes históricos certamente existem para a atual rivalidade entre xiitas e sunitas.

com certeza
  Com certeza você já ouviu falar de Borat, o personagem do filme trash mais absurdo do ano.
  Com certeza esse fato ficará. guardado nos anais da história política.
  Com certeza foi o maior e melhor investimento que nossa empresa já fez.

evidentemente
  Um aspecto evidentemente característico da tendência anti-social é a transgressão.
  Evidentemente não tenho nada a declarar, até porque não fui demandado por nenhuma autoridade.
  Evidentemente, há também a questão da reforma do Conselho de Segurança, já que ele não representa mais exatamente as forças do mundo.
  Os que vivem com o VIH têm evidentemente mais possibilidades de apanhar tuberculose.
of course (less formal)
  Of course, none of the work carried out by Amnesty could continue without money and it is in this respect that sections, particularly the larger sections like the British, have a vital role to play.
  Her advice was of course extremely sensible.
  Depressed people can of course make hasty and unwise decisions.
  Public government arrangements will, of course, have to take into account the rights and interests of all people in the area.
  Of course, if you can take mass transit or bike or walk to your job, you should do so.
  Alluding to the aggressive, militaristic U.S. foreign policy, Putin noted correctly that, “it has nothing in common with democracy, of course.”

for sure (less formal)
  It's going to be a difficult task for sure.
  That'll for sure make you fat!
  We're coming to visit you for sure this summer.

definitely
  Almost every person over 45, and definitely those who have ever smoked, should have a spirometry test.
  I'm the kind of person who just can't wait to get on a train and not know where I'm going. I definitely want to live life to the fullest.
  Going to another country you're not in your house, you're with people you've never met before, and I think it's definitely a good growing experience.

certainly
  Life almost certainly began in space, and specifically in the hearts of comets, rather than on Earth, a new study claims.
  He will almost certainly announce that he is running for the U.S. Senate.
  We certainly would not want to have the same kind of democracy as they have in Iraq, quite honestly.
  Certainly, travel is more than the seeing of sights; it is a change that goes on, deep and permanent, in the ideas of living.

without a doubt (more formal)
  Nuclear power is, without a doubt, the cleanest and the safest way of sustaining growth and protecting the environment at the same time.
  Without a doubt, the Romans had achieved a sophisticated level of vine-growing, training the vines, much as today, in parallel rows, and ensuring proper spacing between each plant.
  Without a doubt information technology has become the most rapidly developing area of industrial and business activity in the Western world.
  The customer is, without a doubt, the most important element in our business.
  It was something that shouldn't have happened and it's very regrettable, without a doubt, very regrettable.
  I love this camera and would most definitely recommend it to all. It is worth the buy without a doubt!