பக்கம் எண் :

Derivational Changes205

 e.g. šeyki‹Š,,n, I do (Present Indefinite)
šeydukodirukki‹Š,,n, I am doing (Present Continuous)
šeydirukki‹Š,,n, I have done (Present Perfect)
šeydukodirundirukki‹Š,,n, I have been doing
(Present Perfect Continuous)

     The ki‹Šu of all the four forms has been syncopated into kiŠu in the colloquial dialect.

     The four forms of each of the three tenses have been in use in the colloquial dialect from time immemorial. But, the ancient grammars have deliberately ignored all the complex tenses as they were written exclusively for the poetic dialect, into which many colloquial words and forms had not entered, all ancient Tamil literature, including lexicons and commentaries, having been invariably in the poetic garb.   

The Negative Voice (EdirmaŠai Vinai)

(1)
Finite Verb followed by illai, No:
   
  e.g. vandƒnillai, he did not come.
    varuki‹Šƒnillai, he does not come.
    varuvƒnillai, he will not come.
   
(2) Verbal Noun with du suffix followed by illai:
  e.g. vandadillai, (past), varuki‹Šƒdillai (present),
    varuvadillai (future)
    These forms are common to all persons and genders.
   
(3) The Infinitive followed by illai:
  e.g. varavillai.
  This form is common to all persons, genders, and tenses.
   
(4) Conjugated form of the crude verb aru to be rare, to be difficult, suffixed to the theme:
  e.g. šeyyariyn-šeyyn, I shall not do.
    šeyyariyƒy-šeyyƒy, you will not do.