Learn Hardcore German: Ich gehe nicht ins Café; stattdessen lese ich im Park. - I am not going to the café; instead I read in the park.

ins = contraction of in das (into the). Here, das Café is neuter, so accusative is das, and it contracts to ins.
im = contraction of in dem (in the). Here, der Park is masculine; dative singular is dem, and it contracts to im.

Why accusative in the first clause but dative in the second?

German two-way prepositions like in take:

Accusative for movement toward a destination: Ich gehe ins (in das) Café.
Dative for location (no movement): Ich lese im (in dem) Park.

So the case changes with “movement vs. location.”

Why is nicht placed before ins Café?

nicht usually comes right before the element it negates when that element is a specific phrase. Here it negates the destination: nicht ins Café.
Saying Ich gehe ins Café nicht is unnatural in standard German.
With a contrast, you often use: Ich gehe nicht ins Café, sondern in den Park.

Could I use kein instead of nicht here?

You can say Ich gehe in kein Café, which means “I’m not going into any café (at all).” That’s a broad, indefinite negation.
Ich gehe nicht ins Café negates this specific plan/activity (“going to the café”), often understood generically like “going to the café (as an activity).”
Both are correct; the nuance differs (specific plan vs. any café).

Why is it stattdessen lese ich and not stattdessen ich lese?

German main clauses are verb-second (V2). If an element like stattdessen takes the first position, the finite verb must be second:

Correct: Stattdessen lese ich …
Incorrect: Stattdessen ich lese …

Can I put stattdessen somewhere else in the sentence?

Yes:

First position with inversion: Stattdessen lese ich im Park.
Mid-field: Ich lese stattdessen im Park.
End position is possible but less idiomatic in writing: Ich lese im Park stattdessen (used for special emphasis in speech).

Why a semicolon; could I use a period or a comma instead?

Semicolon is fine and stylistically tidy for two closely related main clauses.
A period is perfectly good: Ich gehe nicht ins Café. Stattdessen lese ich im Park.
A comma is also allowed between two main clauses (asyndetic coordination): …, stattdessen …. Many writers prefer period or semicolon for clarity.
After a semicolon, stattdessen stays lowercase.

Could I use sondern instead of stattdessen?

Yes, to make an explicit “not … but rather …” contrast:

Ich gehe nicht ins Café, sondern ich lese im Park. You can drop the repeated subject if it’s the same:
Ich gehe nicht ins Café, sondern lese im Park. Note: With sondern, keep normal main-clause word order (verb second). You could also front another element for emphasis:
…, sondern im Park lese ich.

Why in and not zu the café?

in focuses on entering an interior space: ins Café = “into the café.”
zu (dative) often means “to” in the sense of heading toward a person/place without implying entering: zum Café can mean “to(wards) the café (as a point).” For going to a café as an establishment you’ll enter, ins Café is the idiomatic choice.

What’s the difference between Café and Kaffee?

das Café = the café (the place). Plural: die Cafés.
der Kaffee = coffee (the drink).

Does Café need the accent? How do I pronounce it?

Standard spelling is Café (with acute accent). You will see Cafe without the accent, but the accented form is preferred in careful writing.
Pronunciation: stress the second syllable like “cah-FAY.”

Why are Café and Park capitalized?

All German nouns are capitalized: das Café, der Park. The pronoun ich is lowercase (except at sentence start), and adverbs like stattdessen are lowercase—even after a semicolon.

Is ins always “in + das”? What about other genders and cases?

Neuter accusative: in das → ins (e.g., ins Café)
Masculine accusative: in den (no contraction)
Feminine accusative: in die (no contraction)
Plural accusative: in die (no contraction)
Dative contractions:
- in dem → im (e.g., im Park)
- No contractions with in der (fem.) or in den (pl.)

Is anstattdessen a word? What about statt dessen?

anstattdessen is widely regarded as incorrect or at least nonstandard/pleonastic. Use stattdessen.
statt dessen (two words) literally means “instead of that (thing)” where dessen is a genitive demonstrative. It’s rarer and more formal than the adverb stattdessen.

Could I say this in the past instead of the present?

Yes. For past action in everyday German, use the perfect:

Ich bin nicht ins Café gegangen; stattdessen habe ich im Park gelesen. Or with a period:
Ich bin nicht ins Café gegangen. Stattdessen habe ich im Park gelesen.

Any pronunciation tips for ich and gehe?

ich: the ch is the soft “ich-sound” (not like English “k”); keep it fronted and gentle.
gehe: two syllables, roughly “GAY-eh,” with a clear long first vowel.