content_image/871624.jpg content_image/871625.jpg content_image/871622.jpg content_image/871623.jpg content_image/871626.jpg
10 Regular verbs in -ire  are conjugated as follows: 

<img src='content_image/871624.jpg'>

<img src='content_image/871625.jpg'>

11 Many verbs in -ire  (e.g. capire  (to understand), costruire  (to build), fi nire (to fi nish/to end), preferire  (to prefer), pulire  (to clean)) follow a slightly di ff erent pattern, adding -isc-  before the singular endings and the third person plural: 

<img src='content_image/871622.jpg'>

<img src='content_image/871623.jpg'>

There is no way of telling which is the right pattern for a verb in -ire , other than to check in a dictionary. 

## Interrogative form 

12 As we saw in Unit 4, the interrogative is formed by adding a question mark at the end of the sentence: 

<img src='content_image/871626.jpg'>

