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which are both vs both of which are

Both phrases are correct, but they are used in different contexts. 'Which are both' is used when listing two items that share a common characteristic, while 'both of which are' is used when introducing a list of items with a common characteristic.

Last updated: March 22, 2024 • 5732 views

which are both

This phrase is correct and commonly used when listing two items that share a common characteristic.

This phrase is used when presenting two items that possess a common quality or feature.

Examples:

  • They have two dogs, which are both very friendly.
  • The twins, which are both talented musicians, performed at the concert.
  • Council Directive 89/298/EEC [1] was repealed by Directive 2003/71/EC of the European Parliament and of the Council [2], which are both incorporated into the EEA Agreement, and consequently the reference to Directive 89/298/EEC should be deleted from the EEA Agreement.
  • Council Directive 89/592/EEC [3] was repealed by Directive 2003/6/EC of the European Parliament and of the Council [4], which are both incorporated into the EEA Agreement, and consequently the reference to Directive 89/592/EEC should be deleted from the EEA Agreement.
  • the testing of general professional knowledge shall be carried out by institutes and examiners which are both accredited by the competent authority.
  • (c) the testing of general professional knowledge shall be carried out by institutes and examiners which are both accredited by the competent authority;
  • Here pilot projects should be selected and standards established for stored water which are both realistic and protect the subsoil.
  • The EESC would draw attention to the importance of implementing measures which are both necessary and consistent with the subsidiarity principle.
  • (c) the testing of general professional knowledge shall be carried out by institutes and examiners which are both accredited by the competent authority.
  • Council Directive 91/308/EEC [5] was repealed by Directive 2005/60/EC of the European Parliament and of the Council [6], which are both incorporated into the EEA Agreement, and consequently the reference to Directive 91/308/EEC should be deleted from the EEA Agreement.
  • Council Directive 78/170/EEC [3] was repealed by Directive 2005/32/EC of the European Parliament and of the Council [4], which are both incorporated into the EEA Agreement, and consequently the reference to Directive 78/170/EEC should be deleted from the EEA Agreement.
  • Council Directive 75/716/EEC [5] was repealed by Council Directive 93/12/EEC [6], which are both incorporated into the EEA Agreement, and consequently the reference to Directive 75/716/EEC should be deleted from the EEA Agreement.
  • Council Directive 80/778/EEC [10] was repealed by Directive 98/83/EC [11], which are both incorporated into the EEA Agreement, and consequently the reference to Directive 80/778/EEC should be deleted from the EEA Agreement.
  • Council Directive 85/210/EEC [15] was repealed by Directive 98/70/EC of the European Parliament and of the Council [16], which are both incorporated into the EEA Agreement, and consequently the reference to Directive 85/210/EEC should be deleted from the EEA Agreement.
  • Council Directive 85/339/EEC [17] was repealed by Directive 94/62/EC of the European Parliament and of the Council [18], which are both incorporated into the EEA Agreement, and consequently the reference to Directive 85/339/EEC should be deleted from the EEA Agreement.
  • It contains accusations against Romania which are both controversial and unfounded.
  • These statements, which are both wrong and profoundly irresponsible, represent an intolerable contribution to the stigmatisation of homosexuality.
  • Infraserv Gendorf belongs to Clariant (50 %) and to Vinnolit (11 %), which are both members of the consortium.
  • equivalent materials which are both cryogenic and H2-compatible; and
  • Likewise, express guarantees have been granted to ERAP and the French Development Agency (Agence Française du Développement), which are both EPICs.
  • One advantage of this measure is that it only depends on accounting profit (EBIT [74]) and sales data, which are both easily observable in the company's accounts.
  • Moreover, it has not yet been established that adequate alternatives to difenacoum exist, which are both equally effective and less damaging to the environment.

Alternatives:

  • both of which are
  • both of them are
  • both of which
  • both of them

both of which are

This phrase is correct and commonly used when introducing a list of items with a common characteristic.

This phrase is used to introduce a list of items that share a common quality or feature.

Examples:

  • She has three cats, both of which are black.
  • There are two main reasons, both of which are important.
  • Kaletra contains lopinavir and ritonavir, both of which are inhibitors of the P450 isoform CYP3A.
  • Kaletra contains lopinavir and ritonavir, both of which are inhibitors of the P450 isoform CYP3A in vitro.
  • Sildenafil (100 mg) did not affect the steady state pharmacokinetics of the HIV protease inhibitors, saquinavir and ritonavir, both of which are CYP3A4 substrates.
  • All right, Lightman, this is a courtesy to your resume and your FBI status, both of which are now on the line.
  • I have received another two explanations of vote, both of which are from new Members.
  • They shall be conducted in accordance with negotiating positions established by the Representatives of the Governments of the Member States and on the basis of practical arrangements, both of which are to be agreed by consensus.
  • But our friends at dhs were more eager to talk about Maggie's missing cellphone and laptop, both of which are encrypted and contain classified information.
  • The Men of Letters gave Clive a new name, a new house, both of which are still listed.
  • Madam Commissioner, ladies and gentlemen, I would like to congratulate Mrs Kallenbach and Mr Guellec on their excellent reports, both of which are milestones in the debate on cohesion policy.
  • Why not support the Model Nuclear Weapons Convention and the Hiroshima-Nagasaki Protocol, both of which are promoted globally by civil organisations and political leaders?
  • whereas adequate attention should be focused on the opinions and welfare of employees and customers, both of which are important stakeholders in financial institutions undergoing merger and acquisition (M&A) activity,
  • H. whereas adequate attention should be focused on the opinions and welfare of employees and customers, both of which are important stakeholders in financial institutions undergoing Mergers and Acquisitions (M&A),
  • In the economic field, I must remind you that we have two action plans in place, one to aid commerce and the other to promote investments, both of which are very active.
  • Excluded are transportation of travellers within the economies that they are visiting, where such transportation is provided by carriers not resident in the particular economy being visited, as well as the international carriage of travellers, both of which are covered in passenger services under transportation.
  • On both issues, both of which are absolutely key to progress in development, there is good policy and the problem is implementation.
  • It should be noted that one exporting producer controls two related companies, both of which are producing and exporting urea.
  • Under your Presidency, two European Councils have been held, both of which are universally acknowledged as having been successful.
  • Kaletra contains lopinavir and ritonavir, both of which are inhibitors of the P450 isoform CYP3A.
  • Furthermore, consumers benefit from food safety and transparency, both of which are particularly important.
  • Making a demo takes time and money, both of which are in short supply these days.

Alternatives:

  • which are both
  • both of them are
  • both of which
  • both of them

Related Comparisons

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