Last one - 4d person starting to sink (7) *o*n*e* - it would seem to indicate 'go under' but that is two words and I don't think 'gounder' is a word! Please help.
last three - 3d subdued that woman in courtyard (7) - *u*s*e* - ??? 14d - protective item to paste on screen (9) - *u*s*i*l* - ??? 19d harmful substance from beef in can (5) - *o*i* - ???
1d missile takes front off vehicle (5) - *r*** - is 'arrow'? 10a swimmer with a tailpiece (4) -**** - could it be 'coda'? 15a save from jail (3,4) - *** **a* - is it 'put away'?
10d band carry out new letter to bird (4,8) - r*n* d*t*e*e* - would seem to be ring dotterel, but cannot find such a variety. ringed plovers (close) but not dotterel with ring prefix.
last three... 1d fruit helps in making our day (5) - *o*r* - is it 'gourd'? 20d city is saucy and hot (5) - *e*t* - is it 'perth' ? 23a no longer connected to the church (4) - *n*e - is it 'once'?
Grace Brothers employee and sportsman to get the bird (7,7) - I presume it is 'Captain Peacock' as opposed to his Christian name of Stephen, which is the same number of letters.
last 2 and stumped! 19a pests kept in sheklter from the Middle East (8) - *e*a*e*e - ????? 22a royal group (5) - *u*e* - can only think of queen but if so, why?
