vt. 1. 把…固定，把…附（在…上）2. 認為有重要性（或意義、價值、分量等）；重視3. （有時不受歡迎或未受邀請而）參加，和…在一起，纏著4. （使）與…有聯絡，與…有關連5. 結，採；貼；縛，拴，扎牢；裝；連線 (to)6. [attach oneself ] 依附；加入，參加(黨派、團體等)，作…的成員，使成為一分子；使在一起(to)7. 使喜愛；使愛慕，使依戀8. 把…歸因於，把(過錯的責任等)歸於9. (正式)任命，委派，委任，指派；[常用被動語態]把(某人臨時或永久地)調至(to)vi. 1. 從屬，附屬；附著，附加，歸屬(to)2. 伴隨而來；聯在一起(to， upon)

a is valueda is treasureda is attached great importancea is regarded as important這些說法都是可以的

A被重視

The importance of A was/were attached.

The importance of A is/are to be attached.

Great importance of A was /were being attached.

Great importance of A is/are being attached.