قدر yiʾdar — can

قدر / يقدر ʾidir / yiʾdar supplies the central Cairene ways to say “can,” “be able to,” and, in the perfect, “manage to.” Its ق is normally a glottal stop /ʾ/ in mainstream Cairo: يقدر yiʾdar. Pronouncing /q/ is possible in formal recitation, some learned vocabulary, and several regional or social settings, but it is not the production baseline here.

English keeps the modal form can largely unchanged and uses could for several unrelated meanings. Egyptian قدر is a fully conjugated verb. Person is marked on it, its complement is a bare imperfect, and its perfect usually presents an achieved result: قدرت أخلص means “I managed to finish,” not merely “I possessed an abstract ability.”

The Cairene qaf guide explains the wider /ʾ/ pattern, while the bare-imperfect overview places modal complements in the larger verb system.

Complete practical paradigm

The perfect stem is ʾidir- before many suffixes, with characteristic cluster adjustments in forms such as قدرت. The imperfect has -ʾdar. Memorize the pair قدر / يقدر rather than deriving one from MSA spelling or the English gloss. Because قدر is itself modal, its bare imperfect also occurs independently in context-bound capability statements and questions such as أقدر أخلص؟ and تقدر تيجي؟; b-imperfect بيقدر more readily presents an actual or recurring ability. This is a discourse tendency, not a mechanical present-versus-subjunctive split.

The next action is a bare imperfect

After قدر, the ability’s content is a person-marked imperfect without بـ: يقدر يسوق، تقدر تيجي، قدرت أفهم. Both verbs normally share a subject. The first verb carries modality; the second names the action. A b-imperfect on the lower verb would present that action as an independent actual event, which clashes with the modal frame.

The second example reports a failed attempt. In an appropriate context, an imperfect negative such as مابيقدرش يسوق بالليل can instead describe a general limitation.

Ability, achieved success, and current state

Four forms divide the semantic space:

• يقدر يعمل: context-bound potential, availability, or an ability question.
• بيقدر يعمل: general, recurring, or contextually available ability.
• قدر يعمل: the person succeeded or managed on a particular occasion.
• قادر يعمل: an agreeing participial predicate, often a current physical, emotional, or situational capacity.

Negate the finite verb with ما...ش: ماقدرش، مابيقدرش. Negate the participle with مش: مش قادر، مش قادرة، مش قادرين. English can’t hides this distinction, but Egyptian makes speakers choose between a verbal ability/failure and a present state.

Permission: possible, but not the whole story

تقدر...؟ can politely ask whether an action is possible and can function as a request. For direct permission, ممكن...؟ is often more idiomatic. Context determines whether تقدر تفتح الشباك؟ asks about physical ability or politely requests the action.

Objects, prepositions, and lexical boundaries

The object of the enabled action attaches to the lower verb: أوصلهم “reach them,” أفتحه “open it.” It does not normally attach to modal قدر. With على, however, قدر عليه can mean “manage it,” “overcome him,” or “be a match for it,” depending on context. The suffix belongs to على.

Do not confuse قدر ʾidir / yiʾdar with geminated قدّر ʾaddar / yiʾaddar, whose lexical senses include “estimate,” “appreciate,” and “value.” Nor does every noun from the root predict the modal construction. Those are related lexical items, not inflections of “can.”

Imperative and participles

An imperative mechanically corresponding to “be able!” is possible only in marked rhetorical or coaching language and is not a useful everyday command. Speakers say حاول “try,” ركز “focus,” or لازم تقدر “you have to be able to,” according to the intended action. The active participle is productive: قادر، قادرة، قادرين. A passive participle is not part of the ordinary ability paradigm.

A short dialogue

Register and regional variation

The forms above are ordinary Cairene (informal/neutral). Formal MSA قَدَرَ / يَقْدِرُ or ability expressions with استطاع (formal/MSA) have different distribution and should not be inserted into a colloquial paradigm. A /q/ realization occurs in formal performance and in some regional or community varieties; /g/ also occurs in parts of Egypt (regional: Upper Egypt/Bedouin-associated communities). These pronunciations are systematic variety choices, not random alternatives inside the Cairene baseline.

Common Mistakes

1. Putting بـ on the complement.

2. Using the perfect for neutral general ability.

3. Treating مش قادر as a finite negative.

4. Importing formal /q/ without a register reason.

Key Takeaways

• Use بيقدر + bare imperfect for general ability and قدر + bare imperfect for managed success.
• Use agreeing قادر for a current capacity or blockage, and negate it with مش.
• Put object suffixes on the action verb; عليه is a separate idiomatic prepositional frame.
• Produce ق as /ʾ/ in the Cairene baseline, while recognizing labeled /q/ and /g/ varieties.