It is sometimes difficult to tell the difference ______ the infinitive, the participle and the gerund.

Not every verb change meaning when followed by a gerund or the infinitive form.

Complete the paragraphs by typing in the gerund or infinitive form of the verb in parentheses. (注意区分大小写)

It is sometimes difficult to tell the differences the infinitive, the participle and the gerund. A: of B: among C: for D: between

不定式 (infinitive ) 是一种非谓语动词形式，其结构为“to＋动词原形”。__________

Put the verbs in brackets into the infinitive, the –ing participle or the –ed participle:Wood has a tendency _________ (swell) if it gets wet.

When the verb in the infinitive form ends in either a /d/ or /t/ sound. In this case, its -ED ending is pronounced as______.

Complete the sentences by using infinitives. Add a preposition after the infinitive if necessary. My friend offered ______ me a little money.

Complete the following sentences with the infinitive form, the -ing form, or the -ed form of the verb in the brackets. This is really an __________ (exhaust) day to all of us!

What grammatical structures can be used to organize a long sentence? A: Participle B: Absolute C: Appositive D: Infinitive phrase