The question is not clear. Maybe you're referring to the inflections of nouns and adjectives in gender, number and declension, if so they are not affected by time changes. In Arabic, there are three kinds of words (parts of speech): 1- Ism (nominals - اِسْم) : includes English nouns, but also adjectives, adverbs and more. It doesn't specify a sense of time, ex. : John; door; big. 2- Fiʿl (verb - فِعْل) : A word that expresses an action, state, or occurrence and indicates a tense/aspect or a mood. 3- Ḥarf (particle* - حَرْف) : A word that makes no sense unless it is related to a context, like particles, conjunctions and prepositions (no, and, or, to, in, on, at, etc). *This is why adjectives are not conjugated as in English, they don't indicate time. So what you can do is to use verbs, like : - I was sad, I become happy and I will be happier. - He came tired, yesterday. - The elder son caught a big fish. *Or you can directly use verbs that describe the meaning or the quality of your adjectives, instead of saying for example : “The setting sun made the sky red”, you will say : “The setting sun reddened the sky”. Maybe if you explain more your need, we can help you. Start discovering how verbs are conjugated (especially verbs-that-I-usually-do). Or maybe the verbs 'to be', 'to become', if this is what you need. Generally in Arabic, you don't need the auxiliary 'to be' for the present tense. The fact of saying “ أَنا مَريضٌ ” means I am sick (You can see that absence of time indicator here express generality, present and current state*). But for the past you need it to express the tense : I was sick “ كُنْتُ مَريضاً ”.