помогите с переводом, только без интернет переводчиков
1.My room is in a mess: I really must get it tidied up.
2.Scientists are experimenting with a system allowing drivers to see better after dark.
3.When answering your question yesterday I forgot this fact.
4.The attention paid to the study of fundamental subjects is great.
какое причастие в первом предлоржении- 1-е или 2-е?