国际商务英语中常用带shall的句子，来增强语气。特别是在合同类的材料中，单词shall不仅表示将来时，而且表达了每一方的职责与义务，常具有“必须”“应当”等强制意味。例如：

The liquidation of the joint ventures shall be handled in accordance with related states laws and administrative regulations and rules as well as the venture’s contract and the articles of the association.

合作企业的清算事宜，依照国家有关法律，行政法规及合作企业合同，章程的规定办理。

If the Buyers fail to provide such letter of credit in the Seller’s favour as prescribed above, the Seller shall have the option of reselling the contracted goods for the account of the Buyers or delaying any shipment and/or cancelling any others at any time on the Buyer’s account and risk.

如果买方未能向卖方提供上规定的这种信用证，卖方有权选择把合同规定的买方账上的货物转售或随时推迟付运和（或）撤销任何订单，损失和风险由买方承担。

The board meeting shall be called and presided over by the Chairman.Should the Chairman be absent, the vice-Chairman shall, in principle, call and preside over the board meeting .(www.daowen.com)

董事会会议应由董事长召集、主持；如董事长缺席，原则上应由副董事长召集、主持。

The carrier shall, before and at the beginning of the voyage, exercise due diligence to make the ship seaworthy.

承运人应在开航前和开航当时克尽职责使船舶适航。

When the goods have been taken over by the carrier or have been loaded on board, the carrier shall, on demand of the shipper, issue to the shipper a bill of loading.

货物由承运人接收或者装船后，应托运人的要求，承运人应当签发提单。