| obligatory |
| saddle with(verb, expression, trouble, charge, bother) |
| accede(verb, agree, declare, commit, undertake) |
| affiance(verb, pass, agree, catch, declare) |
| afflict(verb, trouble, charge, bother, crush) |
| ask(verb, take, order, cause, want) |
| assert oneself(verb, expression, take, order, cause) |
| asservate(verb, agree, declare, commit, undertake) |
| assure(verb, agree, declare, commit, undertake) |
| bear down on(expression, idiom, trouble, charge, bother) |
| beg(verb, take, order, cause, want) |
| beseech(verb, take, order, cause, command) |
| betroth(verb, pass, agree, catch, declare) |
| bid(verb, take, order, cause, want) |
| bother(verb, trouble, charge, strain, hinder) |
| buy(verb, settle, agree, sign, engage) |
| call upon(verb, expression, take, order, cause) |
| cause(verb, take, order, want, need) |
| challenge(verb, take, order, cause, want) |
| claim(verb, take, order, cause, want) |