To improve English speaking skills, particularly for architects during client presentations and collaborations, adopting various methods can be beneficial. Here are some of the best methods that can help architects enhance their proficiency in spoken English:

1. Practice with Colleagues: Regular practice with peers can improve fluency. Architects can simulate meetings or presentations to gain confidence in their speaking abilities.

2. Technical Vocabulary Expansion: Architects should learn and practice industry-specific vocabulary to communicate their ideas more effectively and professionally to clients.

3. Listening and Imitation: Listening to fluent English speakers, especially those with an architectural background, such as in podcasts, interviews, or lectures, can help architects pick up pronunciation, intonation, and phrasing. Mimicking these speakers can improve their accent and delivery.

4. Presentation Skills Training: Joining a public speaking club like Toastmasters or taking presentation skills courses can help architects learn how to structure their speech and engage an audience effectively.

5. Role-play Scenarios: Engaging in role-play exercises can help architects prepare for various scenarios they may encounter with clients or in collaborations.

6. Feedback and Critique: Seeking feedback from native English speakers and asking for constructive criticism can lead to noticeable improvements in speaking abilities.

7. Language Courses: Enrolling in English courses that focus on conversational skills, perhaps those tailored for professionals, can provide structured learning and practice.

8. Online Tutoring/Conversational Practice: One-on-one sessions with an English tutor