I can fecundate you can fecundate she can fecundate we can fecundate you can fecundate they can fecundate
V-ing form
I can be fecundating you can be fecundating she can be fecundating we can be fecundating you can be fecundating they can be fecundating
Perfect
I can have fecundated you can have fecundated she can have fecundated we can have fecundated you can have fecundated they can have fecundated
V-ing perfect
I can have been fecundating you can have been fecundating she can have been fecundating we can have been fecundating you can have been fecundating they can have been fecundating
Negation
Simple form
I can't fecundate you can't fecundate she can't fecundate we can't fecundate you can't fecundate they can't fecundate
V-ing form
I can't be fecundating you can't be fecundating she can't be fecundating we can't be fecundating you can't be fecundating they can't be fecundating
Perfect
I can't have fecundated you can't have fecundated she can't have fecundated we can't have fecundated you can't have fecundated they can't have fecundated
V-ing perfect
I can't have been fecundating you can't have been fecundating she can't have been fecundating we can't have been fecundating you can't have been fecundating they can't have been fecundating
Interrogative form
Simple form
can I fecundate? can you fecundate? can she fecundate? can we fecundate? can you fecundate? can they fecundate?
V-ing form
can I be fecundating? can you be fecundating? can she be fecundating? can we be fecundating? can you be fecundating? can they be fecundating?
Perfect
can I have fecundated? can you have fecundated? can she have fecundated? can we have fecundated? can you have fecundated? can they have fecundated?
V-ing perfect
can I have been fecundating? can you have been fecundating? can she have been fecundating? can we have been fecundating? can you have been fecundating? can they have been fecundating?
Interro-negative form
Simple form
can't I fecundate? can't you fecundate? can't she fecundate? can't we fecundate? can't you fecundate? can't they fecundate?
V-ing form
can't I be fecundating? can't you be fecundating? can't she be fecundating? can't we be fecundating? can't you be fecundating? can't they be fecundating?
Perfect
can't I have fecundated? can't you have fecundated? can't she have fecundated? can't we have fecundated? can't you have fecundated? can't they have fecundated?
V-ing perfect
can't I have been fecundating? can't you have been fecundating? can't she have been fecundating? can't we have been fecundating? can't you have been fecundating? can't they have been fecundating?