Regular verb: trek - trekked - trekked
Simple form | V-ing form |
I can trek you can trek she can trek we can trek you can trek they can trek | I can be trekking you can be trekking she can be trekking we can be trekking you can be trekking they can be trekking |
Perfect | V-ing perfect |
I can have trekked you can have trekked she can have trekked we can have trekked you can have trekked they can have trekked | I can have been trekking you can have been trekking she can have been trekking we can have been trekking you can have been trekking they can have been trekking |
Simple form | V-ing form |
I can't trek you can't trek she can't trek we can't trek you can't trek they can't trek | I can't be trekking you can't be trekking she can't be trekking we can't be trekking you can't be trekking they can't be trekking |
Perfect | V-ing perfect |
I can't have trekked you can't have trekked she can't have trekked we can't have trekked you can't have trekked they can't have trekked | I can't have been trekking you can't have been trekking she can't have been trekking we can't have been trekking you can't have been trekking they can't have been trekking |
Simple form | V-ing form |
can I trek? can you trek? can she trek? can we trek? can you trek? can they trek? | can I be trekking? can you be trekking? can she be trekking? can we be trekking? can you be trekking? can they be trekking? |
Perfect | V-ing perfect |
can I have trekked? can you have trekked? can she have trekked? can we have trekked? can you have trekked? can they have trekked? | can I have been trekking? can you have been trekking? can she have been trekking? can we have been trekking? can you have been trekking? can they have been trekking? |
Simple form | V-ing form |
can't I trek? can't you trek? can't she trek? can't we trek? can't you trek? can't they trek? | can't I be trekking? can't you be trekking? can't she be trekking? can't we be trekking? can't you be trekking? can't they be trekking? |
Perfect | V-ing perfect |
can't I have trekked? can't you have trekked? can't she have trekked? can't we have trekked? can't you have trekked? can't they have trekked? | can't I have been trekking? can't you have been trekking? can't she have been trekking? can't we have been trekking? can't you have been trekking? can't they have been trekking? |