← Back to all Modern Standard Arabic verbs
Root Verb
زَادَ
zada
to increase
ز ي د
This is a Form I hollow verb with a 'ya' root, so the middle radical becomes 'i' in the past tense when a consonant-initial suffix is added (e.g., zidtu) and 'i' in the present tense (yazidu).
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Past Affirmative
أنا
I — "I increased"
How these tenses work
The present tense
Person prefixes, plus the dialect's marker for "now" or "usually".
The past tense
One stem, eight endings.
The future
One small prefix or word in front of the present.
Saying "not"
Negating verbs, nouns and adjectives.
Roots and verb forms (Form I–X)
How three root letters and a pattern make a verb.
Verb classes: sound, hollow, defective, doubled
Why some verbs change shape when they conjugate.