**Exhibit 31.1****CERTIFICATION**I, Ashmead Pringle, Chief Executive Officer of Greenhaven Commodity Services LLC, the ManagingOwner of Greenhaven Continuous Commodity Index Fund, certify that: 1. I have reviewed this Annual Report on Form 10-K of GreenhavenContinuous Commodity Index Fund;  2. Based on my knowledge, this report does not contain any untruestatement of a material fact or omit to state a material factnecessary to make the statements made, in light of the circumstancesunder which such statements were made, not misleading with respect tothe period covered by this report;  3. Based on my knowledge, the financial statements, and other financialinformation included in this report, fairly present in all materialrespects the financial condition, results of operations and cash flowsof the registrant as of, and for, the periods presented in thisreport;  4. I am responsible for establishing and maintaining disclosure controlsand procedures (as defined in Exchange Act Rules 13a-15(e) and15d-15(e)) and internal control over financial reporting (as definedin Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant andhave:          (a) Designed such disclosure controls and procedures, or caused such disclosure controls andprocedures to be designed under my supervision, to ensure that material information relating to theregistrant, including its consolidated subsidiaries, is made known to me by others within thoseentities, particularly during the period in which this report is being prepared;          (b) Designed such internal control over financial reporting, or caused such internal controlover financial reporting to be designed under my supervision, to provide reasonable assuranceregarding the reliability of financial reporting and the preparation of financial statements forexternal purposes in accordance with generally accepted accounting principles;          (c) Evaluated the effectiveness of the registrant’s disclosure controls and procedures andpresented in this report my conclusions about the effectiveness of the disclosure controls andprocedures, as of the end of the period covered by this report based on such evaluation; and          (d) Disclosed in this report any change in the registrant’s internal control over financialreporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourthfiscal quarter in the case of an annual report) that has materially affected, or is reasonablylikely to materially affect, the registrant’s internal control over financial reporting; and 5. I have disclosed, based on my most recent evaluation of internalcontrol over financial reporting, to the registrant’s auditors and theaudit committee of the registrant’s board of directors (or personsperforming the equivalent functions);          (a) All significant deficiencies and material weaknesses in the design or operation ofinternal control over financial reporting which are reasonably likely to adversely affect theregistrant’s ability to record, process, summarize and report financial information; and          (b) Any fraud, whether or not material, that involves management or other employees who have asignificant role in the registrant’s internal control over financial reporting.        Date: March 25, 2008 /s/ Ashmead Pringle   Ashmead Pringle   Chief Executive Officer