Verbo to be (presente e passado)

English Grammar

1. 9) Verbo To Be – Presente e Passado Afirmativa Negativa Interrogativa I am I am not am I? you are you are not are you ? he is he is not is he ? she is she is not is she ? it is it is not is it? we are we are not are we ? you are you are not are you ? they are they are not are they ?

2. Em conversação é comum o uso de formas abreviadas: Passado: as formas do passado (pretérito perfeito ou imperfeito) do verbo to be são apenas duas: was e were . Afirmativas: ‘m = am ‘re – are ‘s = is Negativas : - aren’t = are not isn’t = is not Afirmativa Negativa Interrogativa I was I was not was I? you were you were not were you ? he was he was not was he ? she was she was not was she ? it was it was not was it? we were we were not was it? you were you were not were you ? they were they were not were they ?

3. No passado, só as formas negativas são abreviadas: Wasn’t = was not weren’t = were not Complete com as formas adequadas do verbo to be , no presente e/ou no passado. 1. Global warming _________ the most urgent problem facing human civilization today. 2. Many tropical plants ___________ in danger because of deforestation. 3. Winston Churchill _________ prime minister of Great Britain during the Second World War. 4. It __________ a tiring flight, but we _________ now spending four days in the Amazon! 5. Gases from cars, trucks and buses _________ a big source of pollution.

4. Complete com as formas adequadas do verbo to be , no presente e/ou no passado. 1. Global warming is / was the most urgent problem facing human civilization today . 2. Many tropical plants are / were in danger because of deforestation . 3. Winston Churchill was prime minister of Great Britain during the Second World War . 4. It was a tiring flight , but we are spending four days in the Amazon now ! 5. Gases from cars , trucks and buses are / were a big source of pollution .