Infinitive with zu

📌 Grammatiknotiz

The 'Infinitiv mit zu' construction consists of the particle 'zu' followed by an infinitive verb. It forms a non-finite clause that often functions as an object or a complement to the main clause. This structure allows for more concise sentences than full subordinate clauses, especially when the subject of both clauses is the same.

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When using 'Infinitiv mit zu' with separable verbs, the particle 'zu' is placed between the separable prefix and the verb stem. This forms a single word, e.g., 'aufstehen' becomes 'aufzustehen'. This rule ensures the prefix remains connected to the verb's meaning while integrating 'zu'.

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Many verbs expressing an intention, plan, attempt, or decision are followed by an 'Infinitiv mit zu'. These verbs indicate a future action or a goal. Examples include 'vorhaben', 'planen', 'versuchen', 'vergessen', 'erinnern', 'entscheiden', 'beschließen'.

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Verbs that describe the start or end of an action are typically followed by an 'Infinitiv mit zu'. These include verbs like 'beginnen', 'anfangen', and 'aufhören'. They indicate the temporal aspect of an activity, specifying when it starts or stops.

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Verbs expressing a wish, hope, belief, or opinion about an action often take an 'Infinitiv mit zu'. Common examples are 'hoffen', 'wünschen', 'scheinen', 'glauben', 'meinen'. These constructions convey the speaker's subjective stance towards the action.

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Verbs that grant permission, issue a prohibition, make a request, or give advice are frequently followed by an 'Infinitiv mit zu'. These include 'erlauben', 'verbieten', 'bitten', 'raten', 'vorschlagen', 'fordern'. The infinitive clause specifies the action being permitted, forbidden, requested, or advised.

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Verbs related to acquiring a skill, imparting knowledge, or providing assistance often take an 'Infinitiv mit zu'. This applies to verbs like 'lernen', 'lehren', and 'helfen'. The infinitive clause specifies the skill being learned, taught, or the action being assisted.

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The construction 'es ist + Adjektiv' (e.g., 'es ist wichtig', 'es ist schön', 'es ist leicht', 'es ist möglich') is frequently followed by an 'Infinitiv mit zu'. This structure expresses an evaluation or characteristic of an action. Here, 'es' is a placeholder, and the infinitive clause is the actual subject.

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Certain noun-verb combinations, particularly with 'haben', are followed by an 'Infinitiv mit zu'. These phrases express a desire, opportunity, or fear related to an action. Common examples include 'Lust haben', 'Zeit haben', 'Angst haben', 'Gelegenheit haben', 'die Absicht haben'.

📌 Grammatiknotiz

The construction 'um...zu' is used to express the purpose or intention of an action. It answers the question 'Wozu?' (What for?). This structure is used when the subject of the main clause and the infinitive clause are the same. It's an alternative to a 'damit'-clause when the subjects are identical.

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The construction 'ohne...zu' describes an action that is performed without simultaneously doing something else. It expresses a negative accompanying circumstance or manner. Like 'um...zu', it requires the subject of the main clause and the infinitive clause to be the same.

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The construction 'anstatt...zu' (or 'statt...zu') expresses an alternative action that was performed instead of another. It highlights a choice or a contrast between two possible actions. Again, the subject of the main clause and the infinitive clause must be identical.

📌 Grammatiknotiz

Modal verbs (können, müssen, wollen, dürfen, sollen, mögen) are always followed by a main verb in the infinitive without 'zu'. The modal verb itself is conjugated, and the infinitive stands at the end of the clause. This is a fundamental rule for modal verb constructions.

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Certain other verbs also take an infinitive without 'zu'. These include verbs of perception ('sehen', 'hören', 'fühlen'), verbs of movement ('gehen', 'kommen', 'fahren'), and specific verbs like 'lassen', 'bleiben', and 'finden'. These verbs directly govern the infinitive, indicating an action that is perceived, performed during movement, or allowed/remained/found.

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A crucial rule for using 'Infinitiv mit zu' constructions (except for 'es ist + Adjektiv') is that the subject of the infinitive clause must be the same as the subject of the main clause. If the subjects are different, you must use a subordinate clause (e.g., a 'dass'-clause or 'damit'-clause) instead. This ensures clarity about who is performing the action.

📌 Grammatiknotiz

One of the most frequent errors is either omitting 'zu' where it's required (e.g., after verbs like 'versuchen', 'hoffen', or with 'um...zu') or placing it incorrectly, especially with separable verbs. Remember that 'zu' is an integral part of the infinitive construction and its position is fixed: directly before the infinitive, or between the prefix and stem for separable verbs.

📌 Grammatiknotiz

Another common error is incorrectly adding 'zu' when it's not needed, particularly with modal verbs (können, müssen, wollen, etc.) or verbs of perception (sehen, hören) and movement (gehen, kommen). These verbs take a bare infinitive. Adding 'zu' in these cases is grammatically incorrect and sounds unnatural to native speakers.