に先立って => before; prior to ~ N2
に[先立「さきだ」]って/に[先立「さきだ」]ち/に[先立「さきだ」]つ => Before A occurs/takes place N2
Time, Situation
てばかりいる => Repeatedly or continuously ~, without doing other things N3
Repetition, habit
てもらえるとありがたい => grateful, thankful if... N4
Emphasize
~きわまる/きわまりない(~極まる/極まりない)      => extremely; very ~ N1
~たり~たりする => Do things like V1,V2 N5
Verb suffixes
V‐る+なり => as soon as; right after ~ N1
Happens next
ていただけるとありがたい => I would really appreciate it if ... N3
Exclamatory
かりに...ても / としても => even if N2
Condition (hypothetical condition)
ている => Repeat N5
Continuous
でもあり, でもある => is also... N2
Proportional, parallel
~もあり~もある => and; also; as well N1
Demonstrate by example