0 in grammar, the infinitive form of a verb without the word "to" -- 不带 to 的动词不定式
In the sentence "I let him go", the bare infinitive is the word "go". 在句子 Let her go 中，go 就属于不带 to 的动词不定式。
Notice also that neither of the two has a bare infinitive analogue.
The bare infinitive also functioned as infinitive of purpose, and it was in this area that the to-infinitive first started to encroach on the territory of the bare infinitive.
Fischer (1995) suggests that the bare infinitive was ultimately replaced by the -ing form.
Table 1 shows that the order 'infinitive-finite verb' appears almost exclusively with the bare infinitive.
A bare infinitive in this case can be interpreted as an elliptic construction with an implicit modal verb.
In only one case do we find a toinfinitive straightforwardly replacing a bare infinitive.
Even for this group, then, the model is the analogy with that-clauses, not with the bare infinitive.
This process ultimately influenced the position of the bare infinitive, although the greatest losses were sustained by the subjunctive complement clause.
