Playing swiss team. 2/1 system. 1) both white. You hold ♠Kxxxx ♥Axx ♦xxxx ♣x. LHO open 1♠, partner X, assume you bid 1NT. LHO rebid 2♠, pd jump to 4♥, what do your bid? 2) both white. You hold ♠Txx ♥QTxx ♦AJ8x ♣A9. Your partnership allows you to open all 11 HCP when white in first or second chair. So you duly open 1♦ first chair, LHO overcall 1♠, pd 2♣ (F1R), RHO pass, what do you bid? 3) both red. You hold ♠Q8x ♥K ♦AKxx ♣KQJxx. Pd open 1♠, you bid 2♣, pd 2♥, you bid 2♠, pd 4♠ shows minimum, what do you bid? 4) both white, You hold ♠Txx ♥AJTx ♦Qxx ♣Qxx. After two passes, LHO open 2♠, pd 3♦, what do you bid?