Shiavault - a Vault of Shia Islamic Books A Hundred and One Rules in Arabic Grammar! Negation of Present and Future Tense Verbs ============================================== Verbs in the present tense are negated by لا. Verbs which express future tense are negated by لـنْ after dropping the future marker prefix ( سـَ ). Please remember that the verb has to be changed to the Subjunctive Mood. a. We don’t watch/see this movie. لا نـُشاهِدُ هذا الفلم. b. We will not watch/see this movie.