Preposition: for

• student: Optional for Students This class is optional for second year BSc or MSci in Mathematics students.

• user: Normally there is some logging mechanism to make the extra messages optional for the user.

Adjective complement with noun phrase

• make: Normally there is some logging mechanism to make the extra messages optional for the user.

Modifies a noun

• excursion: From here, you can join an optional air excursion to the scenic Torres del Paine National Park, high in the Andes.

• module: Optional modules are marked with an " O " .

• subtitle: You can select to view the film with optional English subtitles.

• extra: Charges may be made for optional extras in terms of activities arranged by the school to take place wholly outside school hours.

• add-on: An optional add-on 3D molecule viewer is available for Windows users - see below.

• commentary: Alternate ending ( with optional commentary by writer/director Thurber ).

Modifying Another Word

• entirely: We will also take the opportunity to conduct a firewalk ( entirely optional!

• purely: In any case, these actions are purely optional, although it is highly recommended to do this.

• completely: As writing the Learning Journal was completely optional, only five out of fifteen students completed it.

• not: Please note that these issues are not optional extras.

• now: ALL named parameters are now optional Change: handling of todo memo.

• always: With these chords, the 6th string is always optional.

Used with adjective complement

• become: The Annual Meeting with parents has now become optional.

• consider: Those that are considered optional are shown in italics.

• take: Take optional locally taught Spanish lessons prior to the expedition.

• make: These fields may not be deleted from the database, the class type changed, or made optional.

• use: The camera's generous 56MB internal memory is complemented by storage using optional Memory Stick Duo or Memory Stick PRO Duo media.