their recovery are commenced vs their recovery commenced

Some examples from the web:

• With the participation of the European Union, a long-term period of recovery has commenced, for example by the lifting of the EU's asset freeze on 28 Libyan entities.
• With regard to the state of the European economy, the recovery which commenced in the spring of 1996 is gaining momentum and should lead to a process of self-sustained growth.
• The party responsible should always be clearly identifiable before offshore oil and gas operations are commenced.
• The notification shall be submitted by a deadline set by the competent authority before combined operations are commenced.
• In order to avoid a fresh proliferation of nuclear power, however, the distinction must be made before any further projects are commenced.
• The contingent own resources entitlements are adjusted on the basis of the likelihood of their recovery.
• M.J. and Susan began their recovery after Mike's death.
• Their recovery required a little extra time in the bathroom.
• OECD-Decision countries are bound to ensure that their recovery facilities use advanced techniques to recover waste.
• It's just that progressive behavior in many ways can unravel their recovery efforts.
• The slow process of their recovery has begun.
• You know as well as I do That a person's faith plays a huge role in their recovery.
• While the flight deck is being used for their recovery, rearm our bombers with torpedoes.
• Mr President, the situation of the stocks of different species and the measures for their recovery is always a very controversial issue.
• No one has been able to agree on how you work towards their recovery, however.
• - The Member States do not always report the results of their recovery operations (and certainly not promptly).
• Discards harm fish stocks, slow or prevent their recovery and cost fishermen time and energy to deal with.
• Their employers and the authorities are refusing to allow their recovery, since this would reveal persistent infringements by the company of all safety regulations.
• It's just that progressive behavior in many ways can unravel their recovery efforts.
• What if that kind of tedium hinders their recovery?

Some examples from the web:

• With the participation of the European Union, a long-term period of recovery has commenced, for example by the lifting of the EU's asset freeze on 28 Libyan entities.
• With regard to the state of the European economy, the recovery which commenced in the spring of 1996 is gaining momentum and should lead to a process of self-sustained growth.
• The contingent own resources entitlements are adjusted on the basis of the likelihood of their recovery.
• M.J. and Susan began their recovery after Mike's death.
• Their recovery required a little extra time in the bathroom.
• OECD-Decision countries are bound to ensure that their recovery facilities use advanced techniques to recover waste.
• It's just that progressive behavior in many ways can unravel their recovery efforts.
• The slow process of their recovery has begun.
• You know as well as I do That a person's faith plays a huge role in their recovery.
• While the flight deck is being used for their recovery, rearm our bombers with torpedoes.
• Mr President, the situation of the stocks of different species and the measures for their recovery is always a very controversial issue.
• No one has been able to agree on how you work towards their recovery, however.
• - The Member States do not always report the results of their recovery operations (and certainly not promptly).
• Discards harm fish stocks, slow or prevent their recovery and cost fishermen time and energy to deal with.
• Their employers and the authorities are refusing to allow their recovery, since this would reveal persistent infringements by the company of all safety regulations.
• It's just that progressive behavior in many ways can unravel their recovery efforts.
• What if that kind of tedium hinders their recovery?
• Numerous Member States have included in their recovery plans measures such as investments in healthcare restructuring and additional financing of the health system.
• Oh. See, I thought the Bureau needed me, given their recovery rate is less than 1 in 20.
• Such residues should be kept separate from each other pending assessment of their recovery or disposal;