Basic structure of ICE

SPOKEN (300) 

Dialogues (180)

Private 
(100)

Face-to-face conversations (90)
Phonecalls (10)

Public
(80)

Classroom Lessons (20)
Broadcast Discussions (20)
Broadcast Interviews (10)
Parliamentary Debates (10)
Legal cross-examinations (10)
Business Transactions (10)

Monologues (120)

Unscripted
(70)

Spontaneous commentaries (20)
Unscripted Speeches (30)
Demonstrations (10)
Legal Presentations (10)

Scripted
(50)

Broadcast News (20)
Broadcast Talks (20)
Non-broadcast Talks (10)

WRITTEN
(200)

Non-printed (50)

Student Writing 
(20)

Student Essays (10)
Exam Scripts (10)

Letters
(30)

Social Letters (15)
Business Letters (15)

Printed
(150)

Academic writing 
(40)

Humanities (10)
Social Sciences (10)
Natural Sciences (10)
Technology (10)

Popular  writing
(40)

Humanities (10)
Social Sciences (10)
Natural Sciences (10)
Technology (10)

Reportage
(20)

Press news reports (20)

Instructional writing
(20)

Administrative Writing (10)
Skills/hobbies (10)

Persuasive writing
(10)

Press editorials (10)

Creative writing
(20)

Novels & short stories (20)