as šokšokčik zbriseyopin 1 2           3 4   5  6  7 I  had written  a letter 1 6+7 4    5 3     2 kheras šokšokčik zbriseuk 1 2    3 4  5  6 you  have written  a letter 1      6  4  5      3    2 kheras šokšokčik zbriseukpin 1 2           3  4  5  6  7 you  had written  a letter 1   6+7 4   5   3 2 khos šokšokčik zbriseuk 1 2        3 4  5  6 he  had written  a letter 1     6   4   5   3 2 khos šokšokčik zbriseukpin 1 2       3  4  5  6  7 he  had written  a letter 1    6+7    4    5    3         2
3.2.2.3.	Modals
Modals express the attitude, intention, ability etc. of the speaker. The following are the modals found in Purki language. µen expresses the meaning of ‘capable’ and rgos and rgosuk express the meaning of ‘obligation’. The future tense suffix ča:in occurs with the modal verb µen only. No tense suffix occurs with other modal verbs.
ńen ‘can’ rgos ‘should’ rgosuk ‘must’ mi ‘may’
The structure of the verb would be
[enča:in] Vb   [rgos      ] inf. + [rogosuk ]     [mi        ]
a   čha rgos 1      2 3 I  should go 1     2 2 a  čha enča:in 1    2 3      4 I   can go 1  3+4 2 khera yoma rgosuk 1        2 3 you  must  go   1      3     2
3.2.2.4.	Mood7
3.2.2.4.1.	Negative
The negative mood is expressed by two kinds of forms : (i) bound form and (ii) free form. It may be said that the free form is equivalent to English expression not in he is not a student, she is not beautiful, etc. and to Hindi nah¢¢#ā. In Purki, men is the