| Base Form | Past Simple | Past Participle | Gerund |
|---|---|---|---|
| fold [fəʊld] [fəʊld] | folded [ˈfəʊldɪd] [ˈfəʊldɪd] | folded [ˈfəʊldɪd] [ˈfəʊldɪd] | folding [ˈfəʊldɪŋ] [ˈfəʊldɪŋ] |
| follow [ˈfɑːləʊ] [ˈfɒləʊ] | followed [ˈfɒləʊd] [ˈfɒləʊd] | followed [ˈfɒləʊd] [ˈfɒləʊd] | following [ˈfɑːləʊɪŋ] [ˈfɒləʊɪŋ] |
| fool [fuːl] [fuːl] | fooled [fuːld] [fuːld] | fooled [fuːld] [fuːld] | fooling [ˈfuːlɪŋ] [ˈfuːlɪŋ] |
| force [fɔːrs] [fɔːs] | forced [fɔːrst] [fɔːst] | forced [fɔːrst] [fɔːst] | forcing [ˈfɔːrsɪŋ] [fɔːsɪŋ] |
| forecast [ˈfɔːrkæst] [ˈfɔːkɑːst] | forecast [ˈfɔːrkæst] [ˈfɔːkɑːst] | forecast [ˈfɔːrkæst] [ˈfɔːkɑːst] | forecasting [ˈfɔːrˌkæstɪŋ] [ˈfɔːkɑːstɪŋ] |
| forego [fɔːrˈɡəʊ] [fɔːˈɡəʊ] | forewent [fɔːrˈwent] [fɔːˈwent] | foregone [ˈfɔːrɡɔːn] [fɔːˈɡɒn] | foregoing [ˈfɔːrɡəʊɪŋ] [ˈfɔːɡəʊɪŋ] |
| foresee [fɔːrˈsiː] [fɔːˈsiː] | foresaw [ˌfɔːrˈsɒ] [fɔːˈsɔː] | foreseen [ˌfɔːrˈsiːn] [fɔːˈsiːn] | foreseeing [fɔːrˈsiːɪŋ] [fɔːˈsiːɪŋ] |
| forfeit [ˈfɔːrfət] [ˈfɔːfɪt] | forfeited [ˈfɔːfɪtɪd] [ˈfɔːfɪtɪd] | forfeited [ˈfɔːfɪtɪd] [ˈfɔːfɪtɪd] | forfeiting [ˈfɔːfɪtɪŋ] [ˈfɔːfɪtɪŋ] |
| forge [fɔːrdʒ] [fɔːdʒ] | forged [ˈfɔːrdʒd] [fɔːdʒd] | forged [ˈfɔːrdʒd] [fɔːdʒd] | forging [ˈfɔːrdʒɪŋ] [ˈfɔːdʒɪŋ] |
| forget [fərˈɡet] [fəˈɡet] | forgot [fərˈɡɑːt] [fəˈɡɒt] | forgotten [fərˈɡɑːtn] [fəˈɡɒtn] | forgetting [fərˈɡetɪŋ] [fəˈɡetɪŋ] |
| forgive [fərˈɡɪv] [fəˈɡɪv] | forgave [fərˈɡeɪv] [fəˈɡeɪv] | forgiven [fərˈɡɪvən] [fəˈɡɪvən] | forgiving [fərˈɡɪvɪŋ] [fəˈɡɪvɪŋ] |
| forgo [fɔːrˈɡəʊ] [fɔːˈɡəʊ] | forwent [fɔːrˈwent] [fɔːˈwent] | forgone [fɔːrˈɡɔːn] [fɔːˈɡɒn] | forgoing [fɔːˈɡəʊɪŋ] [fɔːˈɡəʊɪŋ] |
| form [fɔːrm] [ˈfɔːm] | formed [ˈfɔːrmd] [ˈfɔːmd] | formed [ˈfɔːrmd] [ˈfɔːmd] | forming [ˈfɔːrmɪŋ] [ˈfɔːmɪŋ] |
| formalize [ˈfɔːrməlaɪz] [ˈfɔːm(ə)laɪz] | formalized [ˈfɔːrməlaɪzd] [ˈfɔːməlaɪzd] | formalized [ˈfɔːrməlaɪzd] [ˈfɔːməlaɪzd] | formalizing [ˈfɔːməlaɪzɪŋ] [ˈfɔːməlaɪzɪŋ] |
| formulate [ˈfɔːrmjʊleɪt] [ˈfɔːmjʊleɪt] | formulated [ˈfɔːmjʊleɪtɪd] [ˈfɔːmjʊleɪtɪd] | formulated [ˈfɔːmjʊleɪtɪd] [ˈfɔːmjʊleɪtɪd] | formulating [ˈfɔːmjʊleɪtɪŋ] [ˈfɔːmjʊleɪtɪŋ] |
| fortify [ˈfɔːrtɪfaɪ] [ˈfɔːtɪfaɪ] | fortified [ˈfɔːrtəˌfaɪd] [ˈfɔːtɪfaɪd] | fortified [ˈfɔːrtəˌfaɪd] [ˈfɔːtɪfaɪd] | fortifying [ˈfɔːrtəˌfaɪɪŋ] [ˈfɔːtɪfaɪɪŋ] |
| forward [ˈfɔːrwərd] [ˈfɔːwəd] | forwarded [ˈfɔːrwərdəd] [ˈfɔːwədɪd] | forwarded [ˈfɔːrwərdəd] [ˈfɔːwədɪd] | forwarding [ˈfɔːrwərdɪŋ] [ˈfɔːwədɪŋ] |
| foster [ˈfɔːstər] [ˈfɒstə] | fostered [ˈfɑːstərd] [ˈfɒstəd] | fostered [ˈfɑːstərd] [ˈfɒstəd] | fostering [ˈfɑːstərɪŋ] [ˈfɒstərɪŋ] |
| foul [faʊl] [faʊl] | fouled [faʊld] [faʊld] | fouled [faʊld] [faʊld] | fouling [ˈfaʊlɪŋ] [ˈfaʊlɪŋ] |
| founder [ˈfaʊndər] [ˈfaʊndə] | foundered [ˈfaʊndəd] [ˈfaʊndəd] | foundered [ˈfaʊndəd] [ˈfaʊndəd] | foundering [ˈfaʊndərɪŋ] [ˈfaʊndərɪŋ] |