Hello, could you find any possible errors in my Japanese sentences and suggest the best possible wording for them?
1. If you want me to give you my book and pencil, you have to tell me why you want them. (polite)
--> あなたは、あなたに私の本と鉛筆お上げるのというが欲しければ、どうして欲しいか私に言わなくてはいけませんよ。
(Anata wa, anata ni watashi no hon to enpitsu o ageru no to iuga hoshikereba, dōshitehoshī ka watashi ni iwanakute wa ikemasen yo.)
2. Does Susuki know that Ichirou went to her house yesterday? (casual)
--> 昨日に鈴木さんは一郎さんが彼女の家を行ったってゆうのが知るの?
(Kinō ni Suzuki-san wa Ichirō-san ga kanojo no ie o itta tte yū no ga shiru no?)
1. If you want me to give you my book and pencil, you have to tell me why you want them. (polite)
--> あなたは、あなたに私の本と鉛筆お上げるのというが欲しければ、どうして欲しいか私に言わなくてはいけませんよ。
(Anata wa, anata ni watashi no hon to enpitsu o ageru no to iuga hoshikereba, dōshitehoshī ka watashi ni iwanakute wa ikemasen yo.)
2. Does Susuki know that Ichirou went to her house yesterday? (casual)
--> 昨日に鈴木さんは一郎さんが彼女の家を行ったってゆうのが知るの?
(Kinō ni Suzuki-san wa Ichirō-san ga kanojo no ie o itta tte yū no ga shiru no?)