Shiavault - a Vault of Shia Islamic Books A Hundred and One Rules in Arabic Grammar! Negation of Past Tense Verbs. ================================= There are two methods to negate the verbs in past tense. The easy way is by using ما before the verb. The other is to use the negation particle لم ¸ followed by the jussive form of the verb. We didn’t watch/see this movie. ما شاهَدنا هذا الفلمَ. **لم نُشاهِدْ هذا الفلمَ.** Previous Next