はくちゃんは いい ですか。
Is Haku all right?
If 'can' is to ask for permission etc, you can say 'haitte mo ii desu ka?'. If 'can' is used literally to mean 'to be able to' you can say 'haireru desu ka?'.
hittori de itte ii desu
sanpatsu ga ii desu ne!
Ii keshigomu desu, ne?
You mean 'borrow'. Can I borrow <thing here> would be: <thing here> wo karite ii desu ka?'.
'Dete mo ii desu.'
itsu demo irashatte ii desu ga
You may say "dekakete mo ii desu ka."
Anata WA ii desu ka?- Which means in technical terms: Are you okay?
これは会えですよ (kore ha ae desu yo) is like saying "This is a meeting".
You may say 'ii sensei desu,' written in Japanese: いい先生です
Try this:isshoni shashin o totte mo ii desu ka