On the one hand

§ 36. It is convenient to distinguish right-hand and left-hand connections. In the combination my hand (when written down) the word my has a right-hand connection with the word hand and the latter has a left-hand connection with the word my.
With analytical forms inside and outside connections are also possible. In the combination has often written the verb has an inside connection with the adverb and the latter has an outside connection with the verb.
It will also be expedient to distinguish unilateral, bilateral and multilateral connections. By way of illustration we may say that the articles in English have unilateral right-hand
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connections with nouns: a book, the child. Such linking words as prepositions, conjunctions, link-verbs, and modal verbs are characterized by bilateral connections: love of life, John and Mary, this is John, he must come. Most verbs may have
f "1 T~l\ ?
zero (Cemel), unilateral (birds fly), bilateral (I saw him) and multilateral
(Yesterday J saw him there) connections. In other words, the combinabih'ty of verbs is variable.
One should also distinguish direct and indirect connec­tions. In the combination Look at John the connection between look and at, between at and John are direct, whereas the con­nection between look and John is indirect, through the prepo­sition at.