| PRESENT TENSE. | ||||
| Singular. | Plural. | |||
| 1. (If) I do, | 1. (If) we do, | |||
| 2. (If) thou do, | 2. (If) you do, | |||
| 3. (If) he do. | 3. (If) they do. | |||
| PAST TENSE. | ||||
| Singular. | Plural. | |||
| 1. (If) I did, | 1. (If) we did, | |||
| 2. (If) thou did, | 2. (If) you did, | |||
| 3. (If) he did. | 3. (If) they did. | |||
| Imperative Mode. | Infinitives. | Participles. | ||
| Do (thou or you). | (To) do. | Imperfect—Doing. | ||
| Doing. | Perfect—Done. |
The present and past tenses of do are used as auxiliaries with the present infinitive, (1) to express emphasis; as, I do study every evening. (2) To express a denial; as, I did not do it. (3) To ask questions; as, Did you see him?
When do means to perform, it is an independent verb; as, He did his part.
EXERCISE.
Name the sentences in which do is used as an independent verb, and those in which it is used as an auxiliary, and explain the use of each auxiliary:—
| 1. | Do they not err that devise evil?—Bible. | |
| 2. | All their works they do to be seen of men.—Bible. | |
| 3. | Stone walls do not a prison make.—Lovelace. | |
| 4. | And for that offense | |
| Immediately we do exile him hence.—Shakespeare. | ||
| 5. | And everybody praised the Duke | |
| Who this great fight did win.—Southey. | ||
| 6. | The evil that men do lives after them.—Shakespeare. | |
| 7. | So little they rose, so little they fell, | |
| They did not move the Inchcape Bell.—Southey. | ||
| 8. | If I do so, it will be of more price, | |
| Being spoke behind your back, than to your face.—Shakespeare. |
BE.
INDICATIVE MODE.