Question

Riding bicycles is not only convenient, but is also a very good form of exercise. (conj. pair with 6 rules) Yufa 265

Accepted Answer

骑自行车不但方便，而且也是很好的运动。('【不但/不仅/不只】。。。而且')1. When 不但/而且 share the same subject, subject must apear only once before 不但2. 不但 is optional as long as 而且 is used3. 而且 is optional when 也 or 还 are used in the main clause4. When 不但/而且 share the same subject, either 也/还 can be used5. With no 不但, 而且 must have the subject after it (as always)6. When 不但/而且 have different subjects, 不但 must be before the first subject, 也 should be used in the 而且 clause (not 还)'不但 A。。。，而且 B 也。。。'

Front	Riding bicycles is not only convenient, but is also a very good form of exercise. (conj. pair with 6 rules)
Back	骑自行车不但方便，而且也是很好的运动。 ('【不但/不仅/不只】。。。而且') 1. When 不但/而且 share the same subject, subject must apear only once before 不但 2. 不但 is optional as long as 而且 is used 3. 而且 is optional when 也 or 还 are used in the main clause 4. When 不但/而且 share the same subject, either 也/还 can be used 5. With no 不但, 而且 must have the subject after it (as always) 6. When 不但/而且 have different subjects, 不但 must be before the first subject, 也 should be used in the 而且 clause (not 还) '不但 A。。。，而且 B 也。。。'
Page	Yufa 265

而且 不但/而且 Subject 不但 Share Optional 也 Clause

而且不但/而且 Subject 不但 Share Optional 也 Clause