6. I must find the book. I must buy another.
7. The horse is in the stable. The horse is in the barnyard. The horse is in the meadow.
8. The prize will be gained by Brown. The prize will be gained by Smith. The prize will be gained by Jones.
Sentences may be combined by either ... or, and neither ... nor, thus:—
James was at school this morning. His sister was at school this morning.
These sentences may be combined thus:—
Either James or his sister was at school this morning.
Neither James nor his sister was at school this morning.