should, ought, need, essential, have got, have, will, cannot, could, might, more...

optional, unnecessary, voluntary, avoidable, discretionary

dry, sweet, white, red, rosé, champagne, cider, more...

curfew, divine, absolute, short, straight, dead, free, grand, vain, what, more

had to,   has to,   needs to,   have to,   have to do,   can not be ignored,   have to be,   has to be,   be obliged to,   cannot ignore