| A | B | 
| quis | Who? (singular - nominative) | 
| quī | Who? (plural - nominative) | 
| quem | Whom? (sing. - accusative) | 
| quōs/quās? | Whom? (pl. - accusative) | 
| cuī? | To whom? (sing. - dative) | 
| quibus? | To whom? (pl - dative) | 
| quid? | What? (case depends on context) | 
| quid facit? | What's he doing? (verb - sing. present) | 
| quid faciunt? | What are they doing? (verb - pl. present) | 
| quid faciēbat? | What was he doing? (verb - sing. imp.) | 
| quid faciēbant? | What were they doing? (verb - pl. imp.) | 
| quid fēcit? | What did he do? (verb - sing. perf) | 
| quid fēcērunt? | What did they do? (verb - pl. perf) | 
| ubi? | Where? (prep phrase in/prope) | 
| unde? | From where? (prep phrase ex/de) | 
| quō? | To where (prep phrase ad) | 
| quid fēcerant? | What HAD they done? | 
| quid fēcerat? | What HAD he done? | 
| cūr | why? (wants a quod clause) | 
| quandō | when?  (wants something to do with time) | 
| quid significat? | what does it mean? |