Who will win Oscars in 2015? And who should?

Under The Skin, which should have been a contender for best picture.

Best picture

Will win: Boyhood.

Should win: Boyhood.

Shoulda been a contender: Under the Skin.

Ellar Coltrane, aged six, in Boyhood. Photograph: AP

Best director

Will win: Alejandro González Iñárritu.

Should win: Richard Linklater.

Shoulda been a contender: Jim Jarmusch for Only Lovers Left Alive.

Best actor

Will win: Eddie Redmayne.

Should win: Eddie Redmayne.

Shoulda been a contender: David Oyelowo.

David Oyelowo plays Dr Martin Luther King in Selma. Photograph: a/Atsushi Nishijima

Best actress

Will win: Julianne Moore.

Should win: Marion Cotillard.

Shoulda been a contender: Hilary Swank, for The Homesman.

Best supporting actor

Will win: JK Simmons.

Should win: Mark Ruffalo.

Shoulda been a contender: Riz Ahmed, for Nightcrawler.

Mark Ruffalo in Foxcatcher. Photograph: Allstar/Sony Pictures Classics

Best supporting actress

Will win: Patricia Arquette.

Should win: Patricia Arquette.

Shoulda been a contender: Mia Wasikowska, for Maps to the Stars.

Best documentary

Will win: Finding Vivien Maier.

Should win: Citizenfour.

Shoulda been a contender: The Invisible War (dir Kirby Dick).

Best foreign language film

Will win: Ida.

Should win: Leviathan.

Shoulda been a contender: Norte, the End of History.