affirm a meeting 造句

用下面这几个单词造句（急）
affirm,
clarify,
ensure,
go through,
accompany,
result from,
under pressure

请问allege,affirm,confirm这三个单词的用法区别
allege
affirm
confirm
用法?

英译汉!很着急
A.The Applicants Banker will affirm that he is fully aware of the Clients credit enhanced transaction and that his Bank is prepared to receive the instrument at their counters
B.The Applicants Banker must confirm that their Bank is prepared to irrevocably undertake to pay the required fee,within 5 days of delivery SUBJECT TO verification & authentication of the Instrument
C.The Applicants Banker must irrevocably undertake to return the instrument,free,clear & unencumbered 15 days prior to maturity or pay the face value of the instrument to the Provider.
* * Assuming that the Applicants Banker responded acceptably;
1.The Provider then connects the Applicants/ receiving Bank with the issuing Bank in order to confirm the issuance & co-ordinate the SWIFT delivery of the instrument.
2.The issuing Bank effects a SWIFT delivery of the instrument in an “non operative” status in favor of the Applicant to his nominated Bank account for their acceptance.
3.The Applicants / receiving Bank formally responds with the required Bank Commitments via SWIFT to the Provider’s designated bank with full banking responsibility thereby rendering the instrument to become “Live & Operative”
4.The Applicants Bank validates the SWIFT Delivery of the Instrument,verifies & authenticates the Instrument on a Bank-to-Bank basis.(The Instrument will be formatted as per the specimen in Appendix A of the agreement)
5.The Applicants Bank then effects the agreed payment to the issuing Bank in favor of the Provider as agreed between the two Banks.
6.The Transaction is completed and the beneficiary has exclusive use of the Instrument for the duration of the term,until 350 days later,(or 15 days prior to the agreed maturity when it must be returned free clear & unencumbered by the Applicants designated bank.)
Please be advised that the Asset Provider uses 2 categories of Banks by which it conducts the mechanics of the Credit Enhancement operation.
The Provider uses various advising / confirming banks to facilitate the transaction.The Confirming Banks communicate and receive the required undertakings on a Bank-to-Bank basis and thereby qualify the Client and his Bank in order to initiate the forthcoming SWIFT delivery by the issuing Banks.

英语翻译
They affirmed to his innocence.
1,affirm的英英解释是：to state firmly or publicly that sth is true or that you support sth strongly 为什么这句话翻译为他们证实了他的清白.而不是他们声称他是清白的.
2.affirm是及物动词,为什么要加to