was effective to form vs effective to forming

Some examples from the web:

• I found it to be a very effective form of communication.
• A pretty assistant is the most effective form of misdirection.
• We have to remember that prevention is the most effective form of health care.
• It is regrettable that such an effective form of animal protection is being prevented.
• Hence the system for action and cooperation between the Member States must be redesigned in a more effective form.
• It should therefore be made clear that this is intended only to be the last resort if other equally effective forms of security cannot be considered.
• In our view, this is a more effective form of aid, and will help reduce fraud in the sector.
• It will, therefore, be necessary to make dependable public information available through appropriate channels in a more efficient and effective form, as indeed the report recommends.
• However, the Commission must carefully ensure that in future there is clarity concerning when and under what conditions budgetary support is an effective form of aid.
• Consideration of effective forms of assistance is a very important matter, with a view to Bangladesh not being run by totalitarian governments.
• Should it be banned, many patients in Europe would lose a highly effective form of treatment.
• On the other hand, we must retain a high level of consumer protection in those places where it already exists in an effective form.
• Codification is the simplest and most cost-effective form of legislative simplification and one that creates more trust among the citizens.
• A better structured and more effective form of global governance would, however, have much to gain from such a development.
• The most effective form of prevention is to ensure that any potential polluter is made liable to extremely heavy financial penalties.
• In the selection of the most effective form of financial assistance, due consideration should be given to the sector- and project-specific characteristics of eligible projects.
• The use of a notary's services, as stipulated by Member States for certain legal transactions, thus already represents a particularly effective form of consumer protection.
• It is the responsibility of the assemblies and the politicians of Madagascar to decide on the most effective form of consultation.
• Using the existing structures as a basis, the Council will join the European Commission in working towards a more effective form of dialogue between the European Union and Russia.
• We must introduce effective forms of cooperation with some of our neighbours, especially in the Mediterranean and the Balkans, in the field of control and management of migration flows.

Some examples from the web:

• We have been talking about this for years and there is still no prospect of effective opinion-forming by truly free media supported by us.
• I have no doubt that the work of the EEAS will become increasingly effective and it will contribute to forming high level European foreign and security policy and strengthening the role of the European Union on the world stage.
• The key to forming a successful citizen's watch group is communication.
• Patrick Awuah makes the case that a liberal arts education is critical to forming true leaders.
• Compatible congestion management procedures shall be defined in all these seven regions with a view to forming a truly integrated internal market in electricity.
• On one occasion to my knowledge they were close to forming a majority of the missions observers.
• This is a practical example that shows my commitment to forming a college that can benefit from the support of your Parliament.
• Dialogue and consultations have been initiated with wood-producing countries, and these will continue with a view to forming the partnership agreements required to support implementation.
• Compatible congestion management procedures shall be defined in all these seven regions with a view to forming a truly integrated Internal European Electricity Market.
• I think we're getting pretty close to forming a timeline.
• They contribute to forming a European awareness and to expressing the political will of the citizens of the Union.
• Parliament has managed to join in, in budgetary terms. Nevertheless, we are not taken into account when it comes to forming an interinstitutional agreement in order to listen to our recommendations and suggestions.
• Mr Schröder may manage to buy a steelworks at the taxpayers' expense and to sit on the Volkswagen Supervisory Board, but he is not up to forming a strategic monetary policy or to buying Rolls-Royce.
• It is important to the German Presidency that all Member States apply the very strictest standards when it comes to forming the new Commission.
• Political parties at European level contribute to forming European political awareness and to expressing the will of Union citizens.
• If we in Europe were to revert to forming axes as we once did, then both our group and I would consider this a perilous road to go down.
• In March 2003, we initiated an evaluation process with a view to forming an overall picture of regulation of the liberal professions and its effects across the countries of the European Union.
• We should welcome this recent decision, which is within the context of a move towards reconciliation and opens the way to forming a transitional Government of National Unity that will itself be responsible for preparing the next elections.
• As far as we, the Portuguese Communist Party MEPs, are concerned, we have maintained, from the beginning, a coherent position against the creation of any additional barriers to forming political groups.
• 'Political parties at a European level contribute to forming European political awareness and to expressing the will of citizens of the Union'.