| Present Tense | Past Tense | Future Tense |
|---|---|---|
| I assemble | I assembled | I shall/will assemble |
| We assemble | We assembled | We shall/will assemble |
| You assemble | You assembled | You will assemble |
| He assembles | He assembled | He will assemble |
| She assembles | She assembled | She will assemble |
| It assembles | It assembled | It will assemble |
| They assemble | They assembled | They will assemble |
| Present Continuous | Past Continuous | Future Continuous |
|---|---|---|
| I am assembling | I was assembling | I shall/will be assembling |
| We are assembling | We were assembling | We shall/will be assembling |
| You are assembling | You were assembling | You will be assembling |
| He is assembling | He was assembling | He will be assembling |
| She is assembling | She was assembling | She will be assembling |
| It is assembling | It was assembling | It will be assembling |
| They are assembling | They were assembling | They will be assembling |
| Present Perfect | Past Perfect | Future Perfect |
|---|---|---|
| I have assembled | I had assembled | I shall/will have assembled |
| We have assembled | We had assembled | We shall/will have assembled |
| You have assembled | You had assembled | You will have assembled |
| He has assembled | He had assembled | He will have assembled |
| She has assembled | She had assembled | She will have assembled |
| It has assembled | It had assembled | It will have assembled |
| They have assembled | They had assembled | They will have assembled |
| Present Perfect Continuous | Past Perfect Continuous | Future Perfect Continuous |
|---|---|---|
| I have been assembling | I had been assembling | I shall/will have been assembling |
| We have been assembling | We had been assembling | We shall/will have been assembling |
| You have been assembling | You had been assembling | You will have been assembling |
| He has been assembling | He had been assembling | He will have been assembling |
| She has been assembling | She had been assembling | She will have been assembling |
| It has been assembling | It had been assembling | It will have been assembling |
| They have been assembling | They had been assembling | They will have been assembling |