https://duolingo.fandom.com/wiki/Japanese_Skill:Classroom

lesson 1

 宿題 (shu-ku-dai) = homework (しゅくだい) - [pronounced (sh-ku-da-i)]

 もう (mo-u) = already 

もうすぐ (mou-su-gu) = soon 

まだ (ma-da) = not yet 

よく(yo-ku) = well 始まる (haji-ma-ru) = (1) to begin; to start; to commence (v5r, vi) (はじまる) 始まります (ha-ji-ma-ri-ma-su) = it is starting/it starts/begins (はじまります) 始まっています (ha-ji-ma-tte-i-ma-su) = it has started/begun (はじまっています) 始まっていません (ha-ji-ma-tte-i-ma-se-n) = it has not started/begun (はじまっていません) 

Lesson 2

 授業 (ju-gyō) = class/lesson (じゅぎょう) 始まっていますか？(ha-ji-ma-tte-i-ma-su-ka) = has it started/begun? (はじまっていますか) 終わる (o-wa-ru) = to finish; to (come to an) end; to end; to close (v5r, vi, aux-v) (P) (おわる) 終わって (o-wa-tte) = it has ended/finshed (おわって) 終わりました (o-wa-ri-ma-shi-ta) = it ended/finished (おわりました) 終わりましたか？(o-wa-ri-ma-shi-ta-ka) = did it end/finish? (おわりましたか) 終わっていません (o-wa-tte-i-ma-se-n) = it has not ended/finished 

Lesson 3

 科 (ka) = grade (か) 教科書 (kyou-ka-sho) = textbook/textbooks (きょうかしょ) 難しい (mu-zu-ka-shii) = hard/difficult (むずかしい) 難しいです (mu-zu-ka-shii-de-su) = it is hard/difficult (むずかしいです) 難しくないです (ma-zu-ka-shi-ku-nai-de-su) = it is not hard/difficult (むずかしくないです) 難しくないですか？(mu-zu-ka-shi-ku-nai-de-su-ka) = isn't it hard/difficult? (むずかしくないですか) 易しい (ya-sa-shii) = easy (やさしい) 易しいですか？(ya-sa-shii-de-su-ka) = is it easy? (やさしいですか) 易しくないです (ya-sa-shi-ku-nai-de-su) = it is not easy (やさしくないです) テスト (te-su-to) = test/tests, exam/exams 全然 (zen-zen) = not at all 

Lesson 4 

字 (ji) = a letter/character (じ) 漢字 (kan-ji) = kanji, Chinese Characters (かんじ) こう (kou) = like this/in this way どう (dou) = how (about) どうでしたか？(dou-de-shi-ta-ka) = how was it? はいけません (wa-i-ke-ma-sen) = you cannot/you are not allowed to 帰る (kae-ru) = to go home; return (to origin); to come home; to go back (かえる) 帰ってはいけません (kae-tte-wa-i-ke-ma-sen) = you cannot go home (かえってはいけません) 見る (mi-ru) = to see; to look; to watch; to view (みる) 見て (mi-te) = I watched/look at (みて) 見ていいですか？(mi-te-ii-de-su-ka) = can/may I look at? (みていいですか) 見てはいけません (mi-te-wa-i-ke-ma-sen) = you cannot/may not look at (みてはいけません) これを見て (ko-re-o-mi-te) = look at this (これをみて) 寝る (ne-ru) = to sleep (lying down); to go to bed; to lie in bed (ねる) 寝ました (ne-ma-shi-ta) = I went to sleep (ねました) 書く (ka-ku) = to write; to compose; to pen (かく) 書いてください (kai-te-ku-da-saI) = please write it (かいてください) どう書きますか？(dou-ka-ki-ma-su-ka) = how do you write it? (どうかきますか) 

Lesson 5

 葉 (ha) = leaf (は)

 言葉 (ko-to-ba) = word (ことば)

 意味 (i-mi) = meaning/meanings (いみ) 

覚える (obo-e-ru) = (1) to remember; to memorize; (おぼえる) 

覚えて (o-bo-e-te) = remember/memorize (おぼえて) 覚えてください (o-bo-e-te-ku-da-sai) = please remember/memorize (おぼえてください) 覚えていますか？(o-bo-e-te-i-ma-su-ka) = do you remember? (おぼえていますか) 覚えていません (o-bo-e-te-i-ma-sen) = I don't remember (おぼえていません) 覚えました (o-bo-e-ma-shi-ta) = I remembered/memorized (おぼえました) 覚えましょう (o-bo-e-ma-shou) = let's remember/memorize (おぼえましょう) 

Lesson 6

 教える (oshi-e-ru) = to teach; to tell; to inform; to instruct (おしえる)

 教えて (o-shi-e-te) = tell/teach me(おしえて)

 教えてください (o-shi-e-te-ku-da-sai) = please tell/teach me (おしえてください)

 教えて欲しいです (o-shi-e-te-ho-shii-de-su) = I want you to tell/teach me 

辞書(ji-sho) = dictionary (じしょ) 

引く (hi-ku) =  to look up (in a dictionary, phone book, etc.); to consult;  (ひく)

 引きます (hi-ki-ma-su) = I will consult/look up in (a dictionary) (ひきます) 引いてはいけません (hii-te-wa-i-ke-ma-sen) = you are not allowed to use (a dictionary) (ひいてはいけません) 引いてください (hii-te-ku-da-sai) = please consult (a dictionary) (ひいてください)