~は~にいます = X is at / in Y (known person or animal).
は marks the topic; に marks the location.
Short visual:
https://youtu.be/bOh8yUeCcus
Full lesson:
https://bunpou.jepang.org/en/lesson/0092/wa-ni-iru

~は~にいます = X is at / in Y (known person or animal).
は marks the topic; に marks the location.
Short visual:
https://youtu.be/bOh8yUeCcus
Full lesson:
https://bunpou.jepang.org/en/lesson/0092/wa-ni-iru
~は~にあります = X is at / in Y (known thing or plant).
は marks the topic; に marks the location.
Short visual:
https://youtu.be/ViXfbzQOaHc
Full lesson:
https://bunpou.jepang.org/en/lesson/0091/wa-ni-aru
~に~がいます = there is / there are (people, animals) at a place.
に marks the location; が introduces the living being.
Short visual:
https://youtu.be/PQN6KfwcK30
Full lesson:
https://bunpou.jepang.org/en/lesson/0090/ni-ga-iru
~に~があります = there is / there are (things, plants) at a place.
に marks the location; が introduces the thing.
Short visual:
https://youtu.be/UOAnkkJj2ys
Full lesson:
https://bunpou.jepang.org/en/lesson/0089/ni-ga-aru
あります = things, plants, vehicles.
います = people and animals.
Same "there is" — different subjects.
Short visual:
https://youtu.be/gexo_IrwpjY
Full lesson:
https://bunpou.jepang.org/en/lesson/0088/arimasu-vs-imasu
~がいます = there is / there are (people, animals, insects).
Not for things or plants — that is があります.
Short visual:
https://youtu.be/tzwDMFS0lco
Full lesson:
https://bunpou.jepang.org/en/lesson/0087/ga-imasu
~があります = there is / I have (things, plants, events).
Not for people or animals — that is がいます.
Short visual:
https://youtu.be/oANnOIKtoVI
Full lesson:
https://bunpou.jepang.org/en/lesson/0086/ga-arimasu
~ないで = without doing / instead of doing.
Connects two actions — you do the second while skipping the first.
Short visual:
https://youtu.be/-arQtfrY69E
Full lesson:
https://bunpou.jepang.org/en/lesson/0085/verb-naide
~たことがある = have done / past life experience.
Not plain past た — it marks something as part of your experience history.
Short visual:
https://youtu.be/mMKhKT96oyI
Full lesson:
https://bunpou.jepang.org/en/lesson/0084/ta-koto-ga-aru
[Planned Reroute] #J14 and #15 buses will operate in both directions via Jeffery, 73rd, Yates, 76th, and Jeffery. #N5 (owl) via Jeffery, 73rd, Yates and 75th.
http://www.transitchicago.com/travel_information/alert_detail.aspx?AlertId=117651
まだ~ていません = have not done it yet.
Ongoing unfinished state — not ませんでした. Contrast まだ~ています (still doing).
Short visual:
https://youtu.be/897eUVVELEk
Full lesson:
https://bunpou.jepang.org/en/lesson/0083/mada-te-imasen
~たり~たりする = do things like X and Y.
Ta-form + り… + する; examples, not a strict sequence.
Short visual:
https://youtu.be/f1k4uUuYUqY
Full lesson:
https://bunpou.jepang.org/en/lesson/0082/tari-tari-suru
~まえに = before doing / ago.
Dictionary form before まえに; nouns take の; also works with time words.
Short visual:
https://youtu.be/JpsPIt7bjJA
Full lesson:
https://bunpou.jepang.org/en/lesson/0081/mae-ni
~たあとで = after doing A, then B.
A is completed before the next action; compare ~てから for a stronger “after” link.
Short visual:
https://youtu.be/6dlVpyUjB1Q
Full lesson:
https://bunpou.jepang.org/en/lesson/0080/ta-ato-de
~てから = after finishing A, then B. Also “ever since.”
宿題をしてから、遊びます. Stronger than plain ~て.
Short visual:
https://youtu.be/rm_S-buwX_8
Full lesson:
https://bunpou.jepang.org/en/lesson/0079/verb-te-kara
~て connects actions in order — do A, then B.
起きて、朝ごはんを食べます. Final verb sets tense/politeness.
Short visual:
https://youtu.be/4MPaRSCHsPM
Full lesson:
https://bunpou.jepang.org/en/lesson/0078/verb-te-sequence
🚌✅ CTA has cleared: #N5 South Shore Night Bus buses Temporary Reroute at Jeffery/71st
[Minor Delays / Reroute] #N5 South Shore Night Bus buses are temporarily rerouted in both directions, due to police activity near Jeffery/71st.
http://www.transitchicago.com/travel_information/alert_detail.aspx?AlertId=117575
🚍 #N5 South Shore Night Bus buses are temporarily rerouted in both directions, due to police activity near Jeffery/71st.
🚌⚠️ #N5 South Shore Night Bus buses Temporary Reroute at Jeffery/71st
#N5 South Shore Night Bus buses are temporarily rerouted in both directions, due to police activity near Jeffery/71st.
Per CTA. Check transitchicago.com for updates.