What | O que? Qual? | What’s your name? |
| Where | Onde? | Where did you go? |
| When | Quando? | When did she arrive? |
| Why | Por que? | Why do you ask? |
| How | Como? | How are you? |
| Who/Whom | Quem? | Who sold the cat? |
| Whose | De quem? | Whose car is that? |
| Which | O que? Qual? (seletivo) | Which one do you want? |
| How many? Quantos? | How many cars do you have? |
| How much? Quanto? | How much money do you have? How much does it cost? |
| How often? Com que freqüência? | How often do you come here? |
| How far? Qual a distância? Quão longe? | How far will you go? |
| How long? Quanto tempo? Qual o comprimento? | How long does it take you to go home? How long is that river? |
| How wide? Qual a largura? | How wide is it? |
| How old? Quantos anos? | How old are you? |
| How tall? Qual o tamanho (estatura)? | How tall are you? |
| How high? Qual a altura? | How high is that building? |