Related Clues:

• In need of a backrub
• Grammarian's subject
• Nerve-straining
• Past or present
• Full of angst
• The past, for example
• Not calm
• Future, for one
• Strained by time in grammar
• Rigid, or grammatical time
• Anxious, nervous
• Anxious, high-strung
• Taut, strained
• Attribute of verbs signalling time
• Taut or strained