auch

To use auch correctly, follow these basic rules:

• Placement and Meaning: Auch usually acts as a standard adverb placed after the conjugated verb. To associate it with a specific object, placing it directly in front of that object is standard and neutral. Placing it at the very beginning of the sentence before the subject is a standard, neutral construction to unambiguously apply auch to the subject: Auch ich komme (I, too, am coming).
• As a Sentence Connector: Auch can stand in the first position together with the word it belongs to. It then adds that word to what was already said, and the verb comes right after the whole phrase (verb-second word order). Example: Auch den Film habe ich gesehen. (I saw the movie too.) Auch does not work as a stand-alone connector like außerdem or zudem; for 'furthermore' use those words.
• Ambiguity After the Verb: In everyday conversation, auch often follows the conjugated verb: Ich komme auch. The meaning depends on stress. Generally, an unstressed auch precedes the word it associates with, unless that word is the conjugated verb, which jumps over auch to position 2. For example, stressing the verb (Ich KOMME auch) means 'I am also coming' (in addition to doing something else). Conversely, heavily stressing AUCH associates it with the word to its left, so Ich komme AUCH means 'I am coming too' (Me too).
• Conversational Responses: In everyday conversation, you will frequently hear short responses like Ich auch (Me too) and Ich auch nicht (Me neither).
• With Compound Verbs: If auch modifies the verb phrase, it gets pushed toward the end of the clause, but before the infinitive, past participle, or separable prefix. Example: Ich habe den Film auch gesehen. (I also saw the movie).
• Auch nicht: To say 'neither' or 'not... either', use auch nicht. Example: Ich komme auch nicht. (I am not coming either).
• Not only... but also / Both... and: Use the common pair nicht nur... sondern auch. Example: Er spricht nicht nur Deutsch, sondern auch Englisch. (He speaks not only German, but also English). Similarly, use sowohl... als auch to mean 'both... and' or 'as well as'. Example: Sie spricht sowohl Deutsch als auch Englisch. (She speaks both German and English).
• The 'Even' Meaning: Auch can mean 'even' when implying an extreme example (e.g., Auch ein Professor macht Fehler - Even a professor makes mistakes). It is also used in the specific phrase auch wenn meaning 'even if' (hypothetical).
  Example: Ich komme, auch wenn es regnet. (I am coming, even if it rains). Do not confuse this with wenn auch, which means 'even though' or 'albeit' (factual). Example: Das Auto ist alt, wenn auch zuverlässig. (The car is old, albeit reliable). Another highly common fixed phrase is auch nur, which means 'even just' (e.g., Wenn ich auch nur einen Euro hätte - If I had even just one euro).
• Auch noch: This combination means 'additionally' or 'on top of that', often expressing surprise or exasperation.
• '-ever' Words: Combine question words with auch immer to create words like 'whatever' (was auch immer) or 'whoever' (wer auch immer).
• So ... auch: This construction translates to 'no matter how' or 'however'. Example: So schwer es auch ist (No matter how hard it is).
• The 'Also' Trap: Never use the German word also to mean 'also.' In German, also means 'therefore' or 'so.'
• Emphasis and Modal Particle Nuances: In spoken German, auch can act as a modal particle to mean 'indeed' or 'really' to add emphasis (e.g., Das ist auch gut so. - That is indeed a good thing). It can also express justification ('after all') or exasperation ('on earth', e.g., Warum hast du das auch gemacht? - Why on earth did you do that?).